From 930e66b9f7d5f50df4ac13ccfc99f53e42ce3ca6 Mon Sep 17 00:00:00 2001
From: Alexey Pustovalov <alexey.pustovalov@zabbix.com>
Date: Thu, 5 Aug 2021 17:59:45 +0200
Subject: [PATCH] Add option to use implicit search path in postgres

---
 .env_db_pgsql                                |  1 +
 server-pgsql/alpine/README.md                |  4 ++++
 server-pgsql/alpine/docker-entrypoint.sh     | 10 ++++++----
 server-pgsql/centos/README.md                |  4 ++++
 server-pgsql/centos/docker-entrypoint.sh     | 10 ++++++----
 server-pgsql/ubuntu/README.md                |  4 ++++
 server-pgsql/ubuntu/docker-entrypoint.sh     | 10 ++++++----
 web-apache-pgsql/alpine/README.md            |  4 ++++
 web-apache-pgsql/alpine/docker-entrypoint.sh |  6 ++++--
 web-apache-pgsql/centos/README.md            |  4 ++++
 web-apache-pgsql/centos/docker-entrypoint.sh |  6 ++++--
 web-apache-pgsql/ubuntu/README.md            |  4 ++++
 web-apache-pgsql/ubuntu/docker-entrypoint.sh |  6 ++++--
 web-nginx-pgsql/alpine/README.md             |  4 ++++
 web-nginx-pgsql/alpine/docker-entrypoint.sh  |  6 ++++--
 web-nginx-pgsql/centos/README.md             |  4 ++++
 web-nginx-pgsql/centos/docker-entrypoint.sh  |  6 ++++--
 web-nginx-pgsql/ubuntu/README.md             |  4 ++++
 web-nginx-pgsql/ubuntu/docker-entrypoint.sh  |  6 ++++--
 19 files changed, 79 insertions(+), 24 deletions(-)

diff --git a/.env_db_pgsql b/.env_db_pgsql
index fee649c67..ba5e5cbf3 100644
--- a/.env_db_pgsql
+++ b/.env_db_pgsql
@@ -7,3 +7,4 @@ POSTGRES_PASSWORD_FILE=/run/secrets/POSTGRES_PASSWORD
 # POSTGRES_DB=zabbix
 POSTGRES_DB=zabbix
 # DB_SERVER_SCHEMA=public
+# POSTGRES_USE_IMPLICIT_SEARCH_PATH=false
diff --git a/server-pgsql/alpine/README.md b/server-pgsql/alpine/README.md
index 9d172948d..08274c868 100644
--- a/server-pgsql/alpine/README.md
+++ b/server-pgsql/alpine/README.md
@@ -103,6 +103,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_LOADMODULE`
 
 The variable is list of comma separated loadable Zabbix modules. It works with  volume ``/var/lib/zabbix/modules``. The syntax of the variable is ``dummy1.so,dummy2.so``.
diff --git a/server-pgsql/alpine/docker-entrypoint.sh b/server-pgsql/alpine/docker-entrypoint.sh
index c76b004f4..4fc2fcc41 100755
--- a/server-pgsql/alpine/docker-entrypoint.sh
+++ b/server-pgsql/alpine/docker-entrypoint.sh
@@ -151,6 +151,8 @@ check_variables_postgresql() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect_postgresql() {
@@ -171,7 +173,7 @@ check_db_connect_postgresql() {
 
     WAIT_TIMEOUT=5
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -199,7 +201,7 @@ psql_query() {
         export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
     fi
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -223,7 +225,7 @@ create_db_database_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
@@ -256,7 +258,7 @@ create_db_schema_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
diff --git a/server-pgsql/centos/README.md b/server-pgsql/centos/README.md
index 9d172948d..08274c868 100644
--- a/server-pgsql/centos/README.md
+++ b/server-pgsql/centos/README.md
@@ -103,6 +103,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_LOADMODULE`
 
 The variable is list of comma separated loadable Zabbix modules. It works with  volume ``/var/lib/zabbix/modules``. The syntax of the variable is ``dummy1.so,dummy2.so``.
diff --git a/server-pgsql/centos/docker-entrypoint.sh b/server-pgsql/centos/docker-entrypoint.sh
index c76b004f4..4fc2fcc41 100755
--- a/server-pgsql/centos/docker-entrypoint.sh
+++ b/server-pgsql/centos/docker-entrypoint.sh
@@ -151,6 +151,8 @@ check_variables_postgresql() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect_postgresql() {
@@ -171,7 +173,7 @@ check_db_connect_postgresql() {
 
     WAIT_TIMEOUT=5
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -199,7 +201,7 @@ psql_query() {
         export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
     fi
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -223,7 +225,7 @@ create_db_database_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
@@ -256,7 +258,7 @@ create_db_schema_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
diff --git a/server-pgsql/ubuntu/README.md b/server-pgsql/ubuntu/README.md
index 9d172948d..08274c868 100644
--- a/server-pgsql/ubuntu/README.md
+++ b/server-pgsql/ubuntu/README.md
@@ -103,6 +103,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_LOADMODULE`
 
 The variable is list of comma separated loadable Zabbix modules. It works with  volume ``/var/lib/zabbix/modules``. The syntax of the variable is ``dummy1.so,dummy2.so``.
diff --git a/server-pgsql/ubuntu/docker-entrypoint.sh b/server-pgsql/ubuntu/docker-entrypoint.sh
index 33b907288..67be13bf7 100755
--- a/server-pgsql/ubuntu/docker-entrypoint.sh
+++ b/server-pgsql/ubuntu/docker-entrypoint.sh
@@ -151,6 +151,8 @@ check_variables_postgresql() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect_postgresql() {
@@ -171,7 +173,7 @@ check_db_connect_postgresql() {
 
     WAIT_TIMEOUT=5
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -199,7 +201,7 @@ psql_query() {
         export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
     fi
 
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
@@ -223,7 +225,7 @@ create_db_database_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
@@ -256,7 +258,7 @@ create_db_schema_postgresql() {
             export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
         fi
 
-        if [ -n "${DB_SERVER_SCHEMA}" ]; then
+        if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
             PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
             export PGOPTIONS
         fi
diff --git a/web-apache-pgsql/alpine/README.md b/web-apache-pgsql/alpine/README.md
index 427cbe27e..e0866f5ed 100644
--- a/web-apache-pgsql/alpine/README.md
+++ b/web-apache-pgsql/alpine/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-apache-pgsql/alpine/docker-entrypoint.sh b/web-apache-pgsql/alpine/docker-entrypoint.sh
index eec3625b8..069b86334 100755
--- a/web-apache-pgsql/alpine/docker-entrypoint.sh
+++ b/web-apache-pgsql/alpine/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
diff --git a/web-apache-pgsql/centos/README.md b/web-apache-pgsql/centos/README.md
index 427cbe27e..e0866f5ed 100644
--- a/web-apache-pgsql/centos/README.md
+++ b/web-apache-pgsql/centos/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-apache-pgsql/centos/docker-entrypoint.sh b/web-apache-pgsql/centos/docker-entrypoint.sh
index 428b86fe7..e9d30253f 100755
--- a/web-apache-pgsql/centos/docker-entrypoint.sh
+++ b/web-apache-pgsql/centos/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
diff --git a/web-apache-pgsql/ubuntu/README.md b/web-apache-pgsql/ubuntu/README.md
index 427cbe27e..e0866f5ed 100644
--- a/web-apache-pgsql/ubuntu/README.md
+++ b/web-apache-pgsql/ubuntu/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-apache-pgsql/ubuntu/docker-entrypoint.sh b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
index 8aa2e8982..67960b5d8 100755
--- a/web-apache-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
diff --git a/web-nginx-pgsql/alpine/README.md b/web-nginx-pgsql/alpine/README.md
index b0010dc3b..b12ab4894 100644
--- a/web-nginx-pgsql/alpine/README.md
+++ b/web-nginx-pgsql/alpine/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-nginx-pgsql/alpine/docker-entrypoint.sh b/web-nginx-pgsql/alpine/docker-entrypoint.sh
index 17bf801a4..5346b497d 100755
--- a/web-nginx-pgsql/alpine/docker-entrypoint.sh
+++ b/web-nginx-pgsql/alpine/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
diff --git a/web-nginx-pgsql/centos/README.md b/web-nginx-pgsql/centos/README.md
index b0010dc3b..b12ab4894 100644
--- a/web-nginx-pgsql/centos/README.md
+++ b/web-nginx-pgsql/centos/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-nginx-pgsql/centos/docker-entrypoint.sh b/web-nginx-pgsql/centos/docker-entrypoint.sh
index 356edb551..f83f17774 100755
--- a/web-nginx-pgsql/centos/docker-entrypoint.sh
+++ b/web-nginx-pgsql/centos/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi
diff --git a/web-nginx-pgsql/ubuntu/README.md b/web-nginx-pgsql/ubuntu/README.md
index b0010dc3b..b12ab4894 100644
--- a/web-nginx-pgsql/ubuntu/README.md
+++ b/web-nginx-pgsql/ubuntu/README.md
@@ -120,6 +120,10 @@ By default, values for `POSTGRES_USER` and `POSTGRES_PASSWORD` are `zabbix`, `za
 
 The variable is Zabbix database name. By default, value is `zabbix`.
 
+### `POSTGRES_USE_IMPLICIT_SEARCH_PATH`
+
+In some setups, for example including [PgBouncer](https://www.pgbouncer.org), setting the `search_path` via connection parameters fails. If this variable is set to `"true"`, the image skips setting the `search_path` and trusts that the `search_path` of the Zabbix user is setup correctly in PostgreSQL database.
+
 ### `ZBX_HISTORYSTORAGEURL`
 
 History storage HTTP[S] URL. This parameter is used for Elasticsearch setup. Available since 3.4.5.
diff --git a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
index 525d8ada8..f206d47e5 100755
--- a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
@@ -75,6 +75,8 @@ check_variables() {
     : ${DB_SERVER_SCHEMA:="public"}
 
     DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
+
+    : ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
 }
 
 check_db_connect() {
@@ -103,8 +105,8 @@ check_db_connect() {
     fi
 
     WAIT_TIMEOUT=5
-    
-    if [ -n "${DB_SERVER_SCHEMA}" ]; then
+
+    if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
         PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
         export PGOPTIONS
     fi