diff --git a/Dockerfiles/web-apache-mysql/alpine/README.md b/Dockerfiles/web-apache-mysql/alpine/README.md
index 92b18f985..b7612577b 100644
--- a/Dockerfiles/web-apache-mysql/alpine/README.md
+++ b/Dockerfiles/web-apache-mysql/alpine/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-mysql/centos/README.md b/Dockerfiles/web-apache-mysql/centos/README.md
index 92b18f985..b7612577b 100644
--- a/Dockerfiles/web-apache-mysql/centos/README.md
+++ b/Dockerfiles/web-apache-mysql/centos/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-mysql/centos/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-apache-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-apache-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-apache-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
index 748f91662..d6a59eb3c 100755
--- a/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-apache-mysql/ol/README.md b/Dockerfiles/web-apache-mysql/ol/README.md
index 92b18f985..b7612577b 100644
--- a/Dockerfiles/web-apache-mysql/ol/README.md
+++ b/Dockerfiles/web-apache-mysql/ol/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-mysql/ol/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-apache-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-apache-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-apache-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
index 748f91662..d6a59eb3c 100755
--- a/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-apache-mysql/ubuntu/README.md b/Dockerfiles/web-apache-mysql/ubuntu/README.md
index 92b18f985..b7612577b 100644
--- a/Dockerfiles/web-apache-mysql/ubuntu/README.md
+++ b/Dockerfiles/web-apache-mysql/ubuntu/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-pgsql/alpine/README.md b/Dockerfiles/web-apache-pgsql/alpine/README.md
index 2ea0df51b..d7db31597 100644
--- a/Dockerfiles/web-apache-pgsql/alpine/README.md
+++ b/Dockerfiles/web-apache-pgsql/alpine/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-pgsql/centos/README.md b/Dockerfiles/web-apache-pgsql/centos/README.md
index 2ea0df51b..d7db31597 100644
--- a/Dockerfiles/web-apache-pgsql/centos/README.md
+++ b/Dockerfiles/web-apache-pgsql/centos/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-apache-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-apache-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-apache-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-apache-pgsql/centos/docker-entrypoint.sh b/Dockerfiles/web-apache-pgsql/centos/docker-entrypoint.sh
index 9a3aff2dc..eab82a752 100755
--- a/Dockerfiles/web-apache-pgsql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-pgsql/centos/docker-entrypoint.sh
@@ -145,6 +145,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-apache-pgsql/ol/README.md b/Dockerfiles/web-apache-pgsql/ol/README.md
index 2ea0df51b..d7db31597 100644
--- a/Dockerfiles/web-apache-pgsql/ol/README.md
+++ b/Dockerfiles/web-apache-pgsql/ol/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-apache-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-apache-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-apache-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-apache-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-apache-pgsql/ol/docker-entrypoint.sh b/Dockerfiles/web-apache-pgsql/ol/docker-entrypoint.sh
index 9a3aff2dc..eab82a752 100755
--- a/Dockerfiles/web-apache-pgsql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-pgsql/ol/docker-entrypoint.sh
@@ -145,6 +145,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-apache-pgsql/ubuntu/README.md b/Dockerfiles/web-apache-pgsql/ubuntu/README.md
index 2ea0df51b..d7db31597 100644
--- a/Dockerfiles/web-apache-pgsql/ubuntu/README.md
+++ b/Dockerfiles/web-apache-pgsql/ubuntu/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/alpine/README.md b/Dockerfiles/web-nginx-mysql/alpine/README.md
index e1ad21381..a85492ec1 100644
--- a/Dockerfiles/web-nginx-mysql/alpine/README.md
+++ b/Dockerfiles/web-nginx-mysql/alpine/README.md
@@ -217,6 +217,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-mysql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-mysql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-mysql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
index ec5a4babe..383fcc75f 100755
--- a/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -147,6 +147,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php7/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-mysql/centos/README.md b/Dockerfiles/web-nginx-mysql/centos/README.md
index e1ad21381..a85492ec1 100644
--- a/Dockerfiles/web-nginx-mysql/centos/README.md
+++ b/Dockerfiles/web-nginx-mysql/centos/README.md
@@ -217,6 +217,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/centos/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-mysql/centos/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
index 4ae3979d5..2a42f4d1b 100755
--- a/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
@@ -147,6 +147,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-mysql/ol/README.md b/Dockerfiles/web-nginx-mysql/ol/README.md
index e1ad21381..a85492ec1 100644
--- a/Dockerfiles/web-nginx-mysql/ol/README.md
+++ b/Dockerfiles/web-nginx-mysql/ol/README.md
@@ -217,6 +217,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/ol/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-mysql/ol/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
index 4ae3979d5..2a42f4d1b 100755
--- a/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
@@ -147,6 +147,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-mysql/rhel/README.md b/Dockerfiles/web-nginx-mysql/rhel/README.md
index e1ad21381..a85492ec1 100644
--- a/Dockerfiles/web-nginx-mysql/rhel/README.md
+++ b/Dockerfiles/web-nginx-mysql/rhel/README.md
@@ -217,6 +217,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/rhel/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-mysql/rhel/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-mysql/rhel/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-mysql/rhel/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
index cdc07de18..7bfd59d59 100755
--- a/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
@@ -147,6 +147,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-mysql/ubuntu/README.md b/Dockerfiles/web-nginx-mysql/ubuntu/README.md
index e1ad21381..a85492ec1 100644
--- a/Dockerfiles/web-nginx-mysql/ubuntu/README.md
+++ b/Dockerfiles/web-nginx-mysql/ubuntu/README.md
@@ -217,6 +217,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-mysql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf b/Dockerfiles/web-nginx-mysql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-mysql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-mysql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
index cb1791a3d..7e3fbfe75 100755
--- a/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
@@ -147,6 +147,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php/7.4/fpm/pool.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-pgsql/alpine/README.md b/Dockerfiles/web-nginx-pgsql/alpine/README.md
index 6a20987a2..d6b086b13 100644
--- a/Dockerfiles/web-nginx-pgsql/alpine/README.md
+++ b/Dockerfiles/web-nginx-pgsql/alpine/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-pgsql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-pgsql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-pgsql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-pgsql/alpine/conf/etc/php7/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-pgsql/alpine/docker-entrypoint.sh b/Dockerfiles/web-nginx-pgsql/alpine/docker-entrypoint.sh
index ce28d62d2..9dce1270a 100755
--- a/Dockerfiles/web-nginx-pgsql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-pgsql/alpine/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php7/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-pgsql/centos/README.md b/Dockerfiles/web-nginx-pgsql/centos/README.md
index 6a20987a2..d6b086b13 100644
--- a/Dockerfiles/web-nginx-pgsql/centos/README.md
+++ b/Dockerfiles/web-nginx-pgsql/centos/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-pgsql/centos/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-pgsql/centos/docker-entrypoint.sh b/Dockerfiles/web-nginx-pgsql/centos/docker-entrypoint.sh
index 3325de3fa..d5138facf 100755
--- a/Dockerfiles/web-nginx-pgsql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-pgsql/centos/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-pgsql/ol/README.md b/Dockerfiles/web-nginx-pgsql/ol/README.md
index 6a20987a2..d6b086b13 100644
--- a/Dockerfiles/web-nginx-pgsql/ol/README.md
+++ b/Dockerfiles/web-nginx-pgsql/ol/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/web-nginx-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-pgsql/ol/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-pgsql/ol/docker-entrypoint.sh b/Dockerfiles/web-nginx-pgsql/ol/docker-entrypoint.sh
index 3325de3fa..d5138facf 100755
--- a/Dockerfiles/web-nginx-pgsql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-pgsql/ol/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/web-nginx-pgsql/ubuntu/README.md b/Dockerfiles/web-nginx-pgsql/ubuntu/README.md
index 6a20987a2..d6b086b13 100644
--- a/Dockerfiles/web-nginx-pgsql/ubuntu/README.md
+++ b/Dockerfiles/web-nginx-pgsql/ubuntu/README.md
@@ -216,6 +216,14 @@ Additionally the image allows to specify many other environment variables listed
 ZBX_VAULTDBPATH= # Available since 5.2.0
 ZBX_VAULTURL=https://127.0.0.1:8200 # Available since 5.2.0
 VAULT_TOKEN= # Available since 5.2.0
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 ## Allowed volumes for the Zabbix web interface container
diff --git a/Dockerfiles/web-nginx-pgsql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf b/Dockerfiles/web-nginx-pgsql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/web-nginx-pgsql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
+++ b/Dockerfiles/web-nginx-pgsql/ubuntu/conf/etc/php/7.4/fpm/pool.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/web-nginx-pgsql/ubuntu/docker-entrypoint.sh b/Dockerfiles/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
index 72815e027..15140ce38 100755
--- a/Dockerfiles/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
@@ -146,6 +146,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php/7.4/fpm/pool.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/Dockerfiles/zabbix-appliance/rhel/README.md b/Dockerfiles/zabbix-appliance/rhel/README.md
index 4aec58a90..5960168b5 100644
--- a/Dockerfiles/zabbix-appliance/rhel/README.md
+++ b/Dockerfiles/zabbix-appliance/rhel/README.md
@@ -149,6 +149,14 @@ ZBX_TLSCAFILE=
 ZBX_TLSCRLFILE=
 ZBX_TLSCERTFILE=
 ZBX_TLSKEYFILE=
+
+Allowed PHP-FPM configuration options:
+PHP_FPM_PM=dynamic
+PHP_FPM_PM_MAX_CHILDREN=50
+PHP_FPM_PM_START_SERVERS=5
+PHP_FPM_PM_MIN_SPARE_SERVERS=5
+PHP_FPM_PM_MAX_SPARE_SERVERS=35
+PHP_FPM_PM_MAX_REQUESTS=0
 ```
 
 Default values of these variables are specified after equal sign.
diff --git a/Dockerfiles/zabbix-appliance/rhel/conf/etc/php-fpm.d/zabbix.conf b/Dockerfiles/zabbix-appliance/rhel/conf/etc/php-fpm.d/zabbix.conf
index e2d27c28b..a60198594 100644
--- a/Dockerfiles/zabbix-appliance/rhel/conf/etc/php-fpm.d/zabbix.conf
+++ b/Dockerfiles/zabbix-appliance/rhel/conf/etc/php-fpm.d/zabbix.conf
@@ -4,11 +4,12 @@ listen = /tmp/php-fpm.sock
 
 clear_env = no
 
-pm = dynamic
-pm.max_children = 50
-pm.start_servers = 5
-pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm = ${PHP_FPM_PM}
+pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
+pm.start_servers = ${PHP_FPM_PM_START_SERVERS}
+pm.min_spare_servers = ${PHP_FPM_PM_MIN_SPARE_SERVERS}
+pm.max_spare_servers = ${PHP_FPM_PM_MAX_SPARE_SERVERS}
+pm.max_requests = ${PHP_FPM_PM_MAX_REQUESTS}
 
 slowlog = /dev/fd/1
 
diff --git a/Dockerfiles/zabbix-appliance/rhel/docker-entrypoint.sh b/Dockerfiles/zabbix-appliance/rhel/docker-entrypoint.sh
index f2af5a5d9..1a4e2326c 100755
--- a/Dockerfiles/zabbix-appliance/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/zabbix-appliance/rhel/docker-entrypoint.sh
@@ -536,6 +536,13 @@ prepare_zbx_web_config() {
 
     PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
 
+    export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
+    export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
+    export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
+    export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
+    export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
+    export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
+
     if [ "$(id -u)" == '0' ]; then
         echo "user = zabbix" >> "$PHP_CONFIG_FILE"
         echo "group = zabbix" >> "$PHP_CONFIG_FILE"
diff --git a/env_vars/.env_web b/env_vars/.env_web
index e93a2e5a0..a9d0a59ab 100644
--- a/env_vars/.env_web
+++ b/env_vars/.env_web
@@ -22,3 +22,10 @@ ZBX_SERVER_NAME=Composed installation
 # ZBX_DENY_GUI_ACCESS=false
 # ZBX_GUI_ACCESS_IP_RANGE=['127.0.0.1']
 # ZBX_GUI_WARNING_MSG=Zabbix is under maintenance.
+
+# PHP_FPM_PM=dynamic
+# PHP_FPM_PM_MAX_CHILDREN=50
+# PHP_FPM_PM_START_SERVERS=5
+# PHP_FPM_PM_MIN_SPARE_SERVERS=5
+# PHP_FPM_PM_MAX_SPARE_SERVERS=35
+# PHP_FPM_PM_MAX_REQUESTS=0