diff --git a/docker-compose_v3_alpine_mysql_latest.yaml b/docker-compose_v3_alpine_mysql_latest.yaml
index fd295be35..e68838601 100644
--- a/docker-compose_v3_alpine_mysql_latest.yaml
+++ b/docker-compose_v3_alpine_mysql_latest.yaml
@@ -340,7 +340,7 @@ services:
  zabbix-snmptraps:
   image: zabbix/zabbix-snmptraps:alpine-latest
   ports:
-   - "162:162/udp"
+   - "162:1162/udp"
   volumes:
    - ./zbx_env/var/lib/zabbix/snmptraps:/var/lib/zabbix/snmptraps:rw
   deploy:
diff --git a/docker-compose_v3_alpine_mysql_local.yaml b/docker-compose_v3_alpine_mysql_local.yaml
index 6e69362e6..d52724ba4 100644
--- a/docker-compose_v3_alpine_mysql_local.yaml
+++ b/docker-compose_v3_alpine_mysql_local.yaml
@@ -372,7 +372,7 @@ services:
     - alpine:3.10
   image: zabbix-snmptraps:alpine-local
   ports:
-   - "162:162/udp"
+   - "162:1162/udp"
   volumes:
    - ./zbx_env/var/lib/zabbix/snmptraps:/var/lib/zabbix/snmptraps:rw
   deploy:
diff --git a/docker-compose_v3_alpine_pgsql_latest.yaml b/docker-compose_v3_alpine_pgsql_latest.yaml
index 943a4cb14..3102469b5 100644
--- a/docker-compose_v3_alpine_pgsql_latest.yaml
+++ b/docker-compose_v3_alpine_pgsql_latest.yaml
@@ -343,7 +343,7 @@ services:
  zabbix-snmptraps:
   image: zabbix/zabbix-snmptraps:alpine-latest
   ports:
-   - "162:162/udp"
+   - "162:1162/udp"
   volumes:
    - ./zbx_env/var/lib/zabbix/snmptraps:/var/lib/zabbix/snmptraps:rw
   deploy:
diff --git a/docker-compose_v3_alpine_pgsql_local.yaml b/docker-compose_v3_alpine_pgsql_local.yaml
index 4dd23c3a5..f0aeb7fe6 100644
--- a/docker-compose_v3_alpine_pgsql_local.yaml
+++ b/docker-compose_v3_alpine_pgsql_local.yaml
@@ -376,7 +376,7 @@ services:
     - alpine:3.10
   image: zabbix-snmptraps:alpine-local
   ports:
-   - "162:162/udp"
+   - "162:1162/udp"
   volumes:
    - ./zbx_env/var/lib/zabbix/snmptraps:/var/lib/zabbix/snmptraps:rw
   deploy:
diff --git a/snmptraps/alpine/Dockerfile b/snmptraps/alpine/Dockerfile
index 979ad9655..292dfa2a6 100644
--- a/snmptraps/alpine/Dockerfile
+++ b/snmptraps/alpine/Dockerfile
@@ -46,6 +46,7 @@ RUN set -eux && \
     ls -lah && \
     cd /tmp/snmptrapfmt-1.14+nmu1ubuntu1/ && \
     patch -p1 < ./patches/makefile.patch && \
+    patch -p1 < ./patches/pid_location.patch && \
     make -j"$(nproc)" -s && \
     cp snmptrapfmthdlr /usr/sbin/snmptrapfmthdlr && \
     cp snmptrapfmt /usr/sbin/snmptrapfmt && \
@@ -59,14 +60,14 @@ RUN set -eux && \
         "/etc/snmp/snmptrapfmt.conf" && \
     rm -rf /tmp/snmptrapfmt_1.14+nmu1ubuntu2.tar.gz && \
     rm -rf /tmp/snmptrapfmt-1.14+nmu1ubuntu1/ && \
-    chown --quiet -R zabbix:root /var/lib/zabbix/ && \
-    chgrp -R 0 /var/lib/zabbix/ && \
-    chmod -R g=u /var/lib/zabbix/ && \
+    chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
+    chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
+    chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     apk del --purge --no-network \
             build-dependencies && \
     rm -rf /var/cache/apk/*
 
-EXPOSE 162/UDP
+EXPOSE 1162/UDP
 
 WORKDIR /var/lib/zabbix/snmptraps/
 
diff --git a/snmptraps/alpine/conf/etc/supervisor/conf.d/supervisord_snmptraps.conf b/snmptraps/alpine/conf/etc/supervisor/conf.d/supervisord_snmptraps.conf
index 89b330246..e3fa91279 100644
--- a/snmptraps/alpine/conf/etc/supervisor/conf.d/supervisord_snmptraps.conf
+++ b/snmptraps/alpine/conf/etc/supervisor/conf.d/supervisord_snmptraps.conf
@@ -17,7 +17,7 @@ stdout_logfile = /dev/stdout
 stdout_logfile_maxbytes = 0
 
 [program:snmptrapd]
-command = /usr/sbin/%(program_name)s -m '+ALL' -M /usr/share/snmp/mibs/:/var/lib/zabbix/mibs -f -n -Lo -p /var/run/snmptrapd.pid -C -c /etc/snmp/%(program_name)s.conf
+command = /usr/sbin/%(program_name)s -m '+ALL' -M /usr/share/snmp/mibs/:/var/lib/zabbix/mibs -f -n -Lo -p /tmp/snmptrapd.pid -C -c /etc/snmp/%(program_name)s.conf udp:0.0.0.0:1162
 auto_start = true
 autorestart = true
 priority = 100
diff --git a/web-nginx-mysql/alpine/docker-entrypoint.sh b/web-nginx-mysql/alpine/docker-entrypoint.sh
index e7e2a97a4..2dc3da62c 100755
--- a/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -146,16 +146,13 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables() {
-
-    DB_SERVER_HOST=${DB_SERVER_HOST:-"mysql-server"}
-    DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
+    : ${DB_SERVER_HOST:="mysql-server"}
+    : ${DB_SERVER_PORT:="3306"}
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
     file_env MYSQL_PASSWORD
 
-    file_env MYSQL_ROOT_PASSWORD
-
     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"
         exit 1
@@ -175,16 +172,12 @@ check_variables() {
     [ -n "${MYSQL_USER}" ] && CREATE_ZBX_DB_USER=true
 
     # If root password is not specified use provided credentials
-    DB_SERVER_ROOT_USER=${DB_SERVER_ROOT_USER:-${MYSQL_USER}}
+    : ${DB_SERVER_ROOT_USER:=${MYSQL_USER}}....
     [ "${MYSQL_ALLOW_EMPTY_PASSWORD}" == "true" ] || DB_SERVER_ROOT_PASS=${DB_SERVER_ROOT_PASS:-${MYSQL_PASSWORD}}
     DB_SERVER_ZBX_USER=${MYSQL_USER:-"zabbix"}
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
-    if [ "$type" == "proxy" ]; then
-        DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
-    else
-        DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
-    fi
+    DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
 }
 
 check_db_connect() {
@@ -235,7 +228,6 @@ prepare_web_server() {
     fi
 
     ln -sf /dev/fd/2 /var/log/nginx/error.log
-    ln -sf /dev/fd/1 /var/log/php-fpm.log
 }
 
 clear_deploy() {
diff --git a/web-nginx-pgsql/alpine/conf/etc/zabbix/web/zabbix.conf.php b/web-nginx-pgsql/alpine/conf/etc/zabbix/web/zabbix.conf.php
index 6cbd68590..73c991b18 100644
--- a/web-nginx-pgsql/alpine/conf/etc/zabbix/web/zabbix.conf.php
+++ b/web-nginx-pgsql/alpine/conf/etc/zabbix/web/zabbix.conf.php
@@ -2,7 +2,7 @@
 // Zabbix GUI configuration file.
 global $DB;
 
-$DB['TYPE']     = 'MYSQL';
+$DB['TYPE']     = 'POSTGRESQL';
 $DB['SERVER']   = '{DB_SERVER_HOST}';
 $DB['PORT']     = '{DB_SERVER_PORT}';
 $DB['DATABASE'] = '{DB_SERVER_DBNAME}';
diff --git a/web-nginx-pgsql/alpine/docker-entrypoint.sh b/web-nginx-pgsql/alpine/docker-entrypoint.sh
index 962e05eb7..07fe044b7 100755
--- a/web-nginx-pgsql/alpine/docker-entrypoint.sh
+++ b/web-nginx-pgsql/alpine/docker-entrypoint.sh
@@ -228,7 +228,6 @@ prepare_web_server() {
     fi
 
     ln -sf /dev/fd/2 /var/log/nginx/error.log
-    ln -sf /dev/fd/1 /var/log/php-fpm.log
 }
 
 clear_deploy() {