Merge branch 'master' into 4.0

.MYSQL_PASSWORD

@@ -0,0 +1 @@
+zabbix

.MYSQL_ROOT_PASSWORD

@@ -0,0 +1 @@
+root_pwd

.MYSQL_USER

@@ -0,0 +1 @@
+zabbix

.POSTGRES_PASSWORD

@@ -0,0 +1 @@
+zabbix

.POSTGRES_USER

@@ -0,0 +1 @@
+zabbix

.env_db_mysql

@@ -1,11 +1,14 @@
 # DB_SERVER_HOST=mysql-server
 # DB_SERVER_PORT=3306
 # MYSQL_USER=zabbix
-MYSQL_USER=zabbix
+# MYSQL_USER=zabbix
+MYSQL_USER_FILE=/run/secrets/MYSQL_USER
 # MYSQL_PASSWORD=zabbix
-MYSQL_PASSWORD=zabbix
+# MYSQL_PASSWORD=zabbix
+MYSQL_PASSWORD_FILE=/run/secrets/MYSQL_PASSWORD
 # MYSQL_ROOT_PASSWORD=
-MYSQL_ROOT_PASSWORD=root_pwd
+# MYSQL_ROOT_PASSWORD=root_pwd
+MYSQL_ROOT_PASSWORD_FILE=/run/secrets/MYSQL_ROOT_PASSWORD
 # MYSQL_ALLOW_EMPTY_PASSWORD=false
 # MYSQL_DATABASE=zabbix
 MYSQL_DATABASE=zabbix

.env_db_mysql_proxy

@@ -2,10 +2,13 @@
 # DB_SERVER_PORT=3306
 # MYSQL_USER=zabbix
 MYSQL_USER=zabbix
+# MYSQL_USER_FILE=/run/secrets/MYSQL_USER
 # MYSQL_PASSWORD=zabbix
 MYSQL_PASSWORD=zabbix
+# MYSQL_PASSWORD_FILE=/run/secrets/MYSQL_PASSWORD
 # MYSQL_ROOT_PASSWORD=
 MYSQL_ROOT_PASSWORD=root_pwd
+# MYSQL_ROOT_PASSWORD_FILE=/run/secrets/MYSQL_ROOT_PASSWORD
 # MYSQL_ALLOW_EMPTY_PASSWORD=false
 # MYSQL_DATABASE=zabbix_proxy
 MYSQL_DATABASE=zabbix_proxy

.env_db_pgsql

@@ -2,8 +2,10 @@
 # DB_SERVER_PORT=5432
 # POSTGRES_USER=zabbix
 POSTGRES_USER=zabbix
+# POSTGRES_USER_FILE=/run/secrets/POSTGRES_USER
 # POSTGRES_PASSWORD=zabbix
 POSTGRES_PASSWORD=zabbix
+# POSTGRES_PASSWORD_FILE=/run/secrets/POSTGRES_PASSWORD
 # POSTGRES_DB=zabbix
 POSTGRES_DB=zabbix
 # DB_SERVER_SCHEMA=public

agent/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

agent/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

agent/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

docker-compose_v3_alpine_mysql_latest.yaml

@@ -33,6 +33,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -56,7 +60,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -107,7 +111,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "alpine"
@@ -160,7 +164,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -188,6 +192,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -210,7 +217,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "mysql"
@@ -239,6 +246,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -261,7 +271,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "mysql"
@@ -303,7 +313,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "alpine"
 
@@ -330,7 +340,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "alpine"
 
@@ -357,7 +367,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -368,6 +378,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -410,3 +424,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_alpine_mysql_local.yaml

@@ -37,6 +37,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -60,7 +64,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -115,7 +119,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "alpine"
@@ -172,7 +176,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -204,6 +208,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -226,7 +233,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "mysql"
@@ -259,6 +266,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -281,7 +291,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "mysql"
@@ -327,7 +337,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "alpine"
 
@@ -358,7 +368,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "alpine"
 
@@ -389,7 +399,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -400,6 +410,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -442,3 +456,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_alpine_pgsql_latest.yaml

@@ -33,6 +33,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -56,7 +59,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "alpine"
@@ -107,7 +110,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "alpine"
@@ -145,6 +148,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -160,7 +167,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -188,6 +195,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -210,7 +220,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -239,6 +249,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -261,7 +274,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -303,7 +316,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "alpine"
 
@@ -330,7 +343,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "alpine"
 
@@ -357,7 +370,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -368,6 +381,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -383,6 +400,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -430,3 +450,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

docker-compose_v3_alpine_pgsql_local.yaml

@@ -37,6 +37,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -60,7 +63,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "alpine"
@@ -115,7 +118,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "alpine"
@@ -157,6 +160,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -172,7 +179,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "alpine"
@@ -205,6 +212,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -227,7 +237,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -260,6 +270,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -282,7 +295,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -328,7 +341,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "alpine"
 
@@ -359,7 +372,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "alpine"
 
@@ -390,7 +403,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -401,6 +414,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -416,6 +433,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -463,3 +483,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

docker-compose_v3_centos_mysql_latest.yaml

@@ -33,6 +33,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -56,7 +60,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -107,7 +111,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "centos"
@@ -160,7 +164,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -188,6 +192,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -210,7 +217,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "mysql"
@@ -239,6 +246,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -261,7 +271,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "mysql"
@@ -303,7 +313,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "centos"
 
@@ -330,7 +340,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "centos"
 
@@ -357,7 +367,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -368,6 +378,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -410,3 +424,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_centos_mysql_local.yaml

@@ -37,6 +37,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -60,7 +64,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -115,7 +119,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "centos"
@@ -172,7 +176,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -204,6 +208,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -226,7 +233,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "mysql"
@@ -259,6 +266,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -281,7 +291,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "mysql"
@@ -327,7 +337,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "centos"
 
@@ -358,7 +368,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "centos"
 
@@ -389,7 +399,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -400,6 +410,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -442,3 +456,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_centos_pgsql_latest.yaml

@@ -33,6 +33,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -56,7 +59,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "centos"
@@ -107,7 +110,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "centos"
@@ -145,6 +148,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -160,7 +167,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -188,6 +195,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -210,7 +220,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -239,6 +249,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -261,7 +274,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -303,7 +316,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "centos"
 
@@ -330,7 +343,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "centos"
 
@@ -357,7 +370,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -368,6 +381,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -383,6 +400,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -430,3 +450,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

docker-compose_v3_centos_pgsql_local.yaml

@@ -34,6 +34,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -57,7 +60,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "centos"
@@ -109,7 +112,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "centos"
@@ -148,6 +151,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -163,7 +170,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "centos"
@@ -193,6 +200,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -215,7 +225,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -245,6 +255,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -267,7 +280,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -310,7 +323,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "centos"
 
@@ -338,7 +351,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "centos"
 
@@ -369,7 +382,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -380,6 +393,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -395,6 +412,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -442,3 +462,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

docker-compose_v3_ubuntu_mysql_latest.yaml

@@ -32,6 +32,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -184,6 +188,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -234,6 +241,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -362,6 +372,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -404,3 +418,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_ubuntu_mysql_local.yaml

@@ -36,6 +36,10 @@ services:
   env_file:
    - .env_db_mysql
    - .env_srv
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -200,6 +204,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -254,6 +261,9 @@ services:
   env_file:
    - .env_db_mysql
    - .env_web
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -394,6 +404,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -436,3 +450,11 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD

docker-compose_v3_ubuntu_pgsql_latest.yaml

@@ -32,6 +32,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -55,7 +58,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "ubuntu"
@@ -105,7 +108,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "ubuntu"
@@ -142,6 +145,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -157,7 +164,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "ubuntu"
@@ -184,6 +191,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -206,7 +216,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -234,6 +244,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -256,7 +269,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -297,7 +310,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "ubuntu"
 
@@ -324,7 +337,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "ubuntu"
 
@@ -351,7 +364,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -362,6 +375,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -377,6 +394,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -424,3 +444,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

docker-compose_v3_ubuntu_pgsql_local.yaml

@@ -33,6 +33,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_srv
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -56,7 +59,7 @@ services:
    - net.ipv4.conf.all.send_redirects=0
   labels:
    com.zabbix.description: "Zabbix server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-server"
    com.zabbix.dbtype: "pgsql"
    com.zabbix.os: "ubuntu"
@@ -107,7 +110,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with SQLite3 database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "sqlite3"
    com.zabbix.os: "ubuntu"
@@ -145,6 +148,10 @@ services:
    - .env_db_mysql_proxy
    - .env_prx
    - .env_prx_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   depends_on:
    - mysql-server
@@ -160,7 +167,7 @@ services:
   stop_grace_period: 30s
   labels:
    com.zabbix.description: "Zabbix proxy with MySQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-proxy"
    com.zabbix.dbtype: "mysql"
    com.zabbix.os: "ubuntu"
@@ -189,6 +196,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -211,7 +221,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Apache web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "apache2"
    com.zabbix.dbtype: "pgsql"
@@ -240,6 +250,9 @@ services:
   env_file:
    - .env_db_pgsql
    - .env_web
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   depends_on:
    - postgres-server
@@ -262,7 +275,7 @@ services:
    - net.core.somaxconn=65535
   labels:
    com.zabbix.description: "Zabbix frontend on Nginx web-server with PostgreSQL database support"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-frontend"
    com.zabbix.webserver: "nginx"
    com.zabbix.dbtype: "pgsql"
@@ -304,7 +317,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix agent"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "zabbix-agentd"
    com.zabbix.os: "ubuntu"
 
@@ -332,7 +345,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix Java Gateway"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "java-gateway"
    com.zabbix.os: "ubuntu"
 
@@ -360,7 +373,7 @@ services:
   stop_grace_period: 5s
   labels:
    com.zabbix.description: "Zabbix snmptraps"
-   com.zabbix.company: "Zabbix SIA"
+   com.zabbix.company: "Zabbix LLC"
    com.zabbix.component: "snmptraps"
    com.zabbix.os: "ubuntu"
 
@@ -371,6 +384,10 @@ services:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
   env_file:
    - .env_db_mysql
+  secrets:
+   - MYSQL_USER
+   - MYSQL_PASSWORD
+   - MYSQL_ROOT_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -386,6 +403,9 @@ services:
    - ./zbx_env/var/lib/postgresql/data:/var/lib/postgresql/data:rw
   env_file:
    - .env_db_pgsql
+  secrets:
+   - POSTGRES_USER
+   - POSTGRES_PASSWORD
   user: root
   stop_grace_period: 1m
   networks:
@@ -433,3 +453,15 @@ networks:
       driver: default
       config:
       - subnet: 172.16.239.0/24
+
+secrets:
+  MYSQL_USER:
+    file: ./.MYSQL_USER
+  MYSQL_PASSWORD:
+    file: ./.MYSQL_PASSWORD
+  MYSQL_ROOT_PASSWORD:
+    file: ./.MYSQL_ROOT_PASSWORD
+  POSTGRES_USER:
+    file: ./.POSTGRES_USER
+  POSTGRES_PASSWORD:
+    file: ./.POSTGRES_PASSWORD

java-gateway/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

java-gateway/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

java-gateway/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-mysql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-mysql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-mysql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-sqlite3/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-sqlite3/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

proxy-sqlite3/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-mysql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-mysql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-mysql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-pgsql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-pgsql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

server-pgsql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-mysql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-mysql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-mysql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-pgsql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-pgsql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-apache-pgsql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-mysql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-mysql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-mysql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-pgsql/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-pgsql/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

web-nginx-pgsql/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

zabbix-appliance/alpine/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

zabbix-appliance/centos/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

zabbix-appliance/rhel/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}

zabbix-appliance/ubuntu/docker-entrypoint.sh

@@ -38,6 +38,37 @@ ZABBIX_ETC_DIR="/etc/zabbix"
 # Web interface www-root directory
 ZBX_FRONTEND_PATH="/usr/share/zabbix"
 
+# usage: file_env VAR [DEFAULT]
+# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
+#    (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
+# unsets the VAR_FILE afterwards and just leaving VAR
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local defaultValue="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo "**** Both variables $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+
+    local val="$defaultValue"
+
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+        echo "** Using ${var} variable from ENV"
+    elif [ "${!fileVar:-}" ]; then
+        if [ ! -f "${!fileVar}" ]; then
+            echo "**** Secret file \"${!fileVar}\" is not found"
+            exit 1
+        fi
+        val="$(< "${!fileVar}")"
+        echo "** Using ${var} variable from secret file"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
 configure_db_mysql() {
     [ "${DB_SERVER_HOST}" != "localhost" ] && return
 
@@ -138,7 +169,7 @@ escape_spec_char() {
     var_value="${var_value//\[/\\[}"
     var_value="${var_value//\]/\\]}"
 
-    echo $var_value
+    echo "$var_value"
 }
 
 update_config_var() {
@@ -213,6 +244,12 @@ check_variables_mysql() {
     DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
+    file_env MYSQL_USER
+    file_env MYSQL_PASSWORD
+
+    if [ "$type" != "" ]; then
+        file_env MYSQL_ROOT_PASSWORD
+    fi
 
     if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
         echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
@@ -249,6 +286,9 @@ check_variables_mysql() {
 check_variables_postgresql() {
     local type=$1
 
+    file_env POSTGRES_USER
+    file_env POSTGRES_PASSWORD
+
     DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
     DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
     CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}