diff --git a/7.4/alpine3.15/fpm/Dockerfile b/7.4/alpine3.15/fpm/Dockerfile
index 427bffd0ed..43abfcfb25 100644
--- a/7.4/alpine3.15/fpm/Dockerfile
+++ b/7.4/alpine3.15/fpm/Dockerfile
@@ -212,6 +212,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -248,6 +250,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/7.4/alpine3.16/fpm/Dockerfile b/7.4/alpine3.16/fpm/Dockerfile
index b2d69b095e..5e2eacdbb2 100644
--- a/7.4/alpine3.16/fpm/Dockerfile
+++ b/7.4/alpine3.16/fpm/Dockerfile
@@ -212,6 +212,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -248,6 +250,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/7.4/bullseye/fpm/Dockerfile b/7.4/bullseye/fpm/Dockerfile
index 00b9547e92..2299169e22 100644
--- a/7.4/bullseye/fpm/Dockerfile
+++ b/7.4/bullseye/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/7.4/buster/fpm/Dockerfile b/7.4/buster/fpm/Dockerfile
index 6ca99c2e3d..a7c55ce319 100644
--- a/7.4/buster/fpm/Dockerfile
+++ b/7.4/buster/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0-rc/alpine3.15/fpm/Dockerfile b/8.0-rc/alpine3.15/fpm/Dockerfile
index 8f9395f1c4..0e25c1d4a1 100644
--- a/8.0-rc/alpine3.15/fpm/Dockerfile
+++ b/8.0-rc/alpine3.15/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0-rc/alpine3.16/fpm/Dockerfile b/8.0-rc/alpine3.16/fpm/Dockerfile
index 2f6af1b918..169ca4d549 100644
--- a/8.0-rc/alpine3.16/fpm/Dockerfile
+++ b/8.0-rc/alpine3.16/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0-rc/bullseye/fpm/Dockerfile b/8.0-rc/bullseye/fpm/Dockerfile
index cf18ba1e3a..7d795fc74a 100644
--- a/8.0-rc/bullseye/fpm/Dockerfile
+++ b/8.0-rc/bullseye/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0-rc/buster/fpm/Dockerfile b/8.0-rc/buster/fpm/Dockerfile
index c1bc072764..1567f69b15 100644
--- a/8.0-rc/buster/fpm/Dockerfile
+++ b/8.0-rc/buster/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0/alpine3.15/fpm/Dockerfile b/8.0/alpine3.15/fpm/Dockerfile
index 7b45502bca..3b9208a1e7 100644
--- a/8.0/alpine3.15/fpm/Dockerfile
+++ b/8.0/alpine3.15/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0/alpine3.16/fpm/Dockerfile b/8.0/alpine3.16/fpm/Dockerfile
index 4c3c1fd856..f605c49646 100644
--- a/8.0/alpine3.16/fpm/Dockerfile
+++ b/8.0/alpine3.16/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0/bullseye/fpm/Dockerfile b/8.0/bullseye/fpm/Dockerfile
index 2849c16f11..0e4e81f3f4 100644
--- a/8.0/bullseye/fpm/Dockerfile
+++ b/8.0/bullseye/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.0/buster/fpm/Dockerfile b/8.0/buster/fpm/Dockerfile
index 5574fd24c5..009f1fa8ea 100644
--- a/8.0/buster/fpm/Dockerfile
+++ b/8.0/buster/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.1/alpine3.15/fpm/Dockerfile b/8.1/alpine3.15/fpm/Dockerfile
index 39cfe69e9d..60d0f32fe8 100644
--- a/8.1/alpine3.15/fpm/Dockerfile
+++ b/8.1/alpine3.15/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.1/alpine3.16/fpm/Dockerfile b/8.1/alpine3.16/fpm/Dockerfile
index 9d0dbf00cc..06f3b9ef8d 100644
--- a/8.1/alpine3.16/fpm/Dockerfile
+++ b/8.1/alpine3.16/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.1/bullseye/fpm/Dockerfile b/8.1/bullseye/fpm/Dockerfile
index 0a34a11763..3ab08ad8b8 100644
--- a/8.1/bullseye/fpm/Dockerfile
+++ b/8.1/bullseye/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.1/buster/fpm/Dockerfile b/8.1/buster/fpm/Dockerfile
index 5b7ce80124..e5a83bba32 100644
--- a/8.1/buster/fpm/Dockerfile
+++ b/8.1/buster/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.2-rc/alpine3.15/fpm/Dockerfile b/8.2-rc/alpine3.15/fpm/Dockerfile
index 71a969a853..d17b3e8a93 100644
--- a/8.2-rc/alpine3.15/fpm/Dockerfile
+++ b/8.2-rc/alpine3.15/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.2-rc/alpine3.16/fpm/Dockerfile b/8.2-rc/alpine3.16/fpm/Dockerfile
index 0b96f2d240..694ea7f276 100644
--- a/8.2-rc/alpine3.16/fpm/Dockerfile
+++ b/8.2-rc/alpine3.16/fpm/Dockerfile
@@ -210,6 +210,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -246,6 +248,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.2-rc/bullseye/fpm/Dockerfile b/8.2-rc/bullseye/fpm/Dockerfile
index 4bb9c2d93c..b214f5a6d8 100644
--- a/8.2-rc/bullseye/fpm/Dockerfile
+++ b/8.2-rc/bullseye/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/8.2-rc/buster/fpm/Dockerfile b/8.2-rc/buster/fpm/Dockerfile
index 5c145c877b..9d65cd5e86 100644
--- a/8.2-rc/buster/fpm/Dockerfile
+++ b/8.2-rc/buster/fpm/Dockerfile
@@ -225,6 +225,8 @@ RUN docker-php-ext-enable sodium
 ENTRYPOINT ["docker-php-entrypoint"]
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -261,6 +263,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully
diff --git a/Dockerfile-linux.template b/Dockerfile-linux.template
index f6789f7437..b961579b19 100644
--- a/Dockerfile-linux.template
+++ b/Dockerfile-linux.template
@@ -474,6 +474,8 @@ EXPOSE 80
 {{ ) elif env.variant == "fpm" then ( -}}
 WORKDIR /var/www/html
 
+ENV PHP_PM_MAX_CHILDREN 5
+
 RUN set -eux; \
 	cd /usr/local/etc; \
 	if [ -d php-fpm.d ]; then \
@@ -510,6 +512,8 @@ RUN set -eux; \
 		echo; \
 		echo '[www]'; \
 		echo 'listen = 9000'; \
+		echo; \
+		echo 'pm.max_children = ${PHP_PM_MAX_CHILDREN}'; \
 	} | tee php-fpm.d/zz-docker.conf
 
 # Override stop signal to stop process gracefully