diff --git a/Dockerfile b/Dockerfile
index 8c7eff1..ed2d014 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -90,6 +90,7 @@ ENV nginx_root_directory=/var/www/html/public \
     nginx_fastcgi_read_timeout=100 \
     client_max_body_size=2M \
     clear_env=no \
+    pm_mode=dynamic \
     pm_start_servers=20 \
     pm_min_spare_servers=10 \
     pm_max_spare_servers=20 \
diff --git a/rootfs/etc/php83/php-fpm.d/www.conf b/rootfs/etc/php83/php-fpm.d/www.conf
index aa379eb..e3aec0c 100644
--- a/rootfs/etc/php83/php-fpm.d/www.conf
+++ b/rootfs/etc/php83/php-fpm.d/www.conf
@@ -34,7 +34,7 @@ listen.group = nobody
 pm.status_path = /fpm-status
 
 ; Ondemand process manager
-pm = dynamic
+pm = $pm_mode
 
 ; The number of child processes to be created when pm is set to 'static' and the
 ; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.