add pm_mode as env

Reviewed-on: #1
Reviewed-by: emanuel.holzmann <emanuel.holzmann@noreply.localhost>

Dockerfile

@@ -87,8 +87,14 @@ ENTRYPOINT ["/bin/docker-entrypoint.sh"]
 HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8080/fpm-ping || exit 1
 
 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 \
+    pm_max_requests=1000 \
     allow_url_fopen=On \
     allow_url_include=Off \
     display_errors=Off \

rootfs/etc/nginx/nginx.conf

@@ -76,6 +76,8 @@ http {
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
             fastcgi_param SCRIPT_NAME $fastcgi_script_name;
             fastcgi_param PATH_INFO $fastcgi_path_info;
+            fastcgi_index index.php;
+            fastcgi_read_timeout ${nginx_fastcgi_read_timeout};
             include fastcgi_params;
 
             # Pass the original forwarded_scheme and HTTPS status to the PHP backend

rootfs/etc/php83/php-fpm.d/www.conf

@@ -34,7 +34,7 @@ listen.group = nobody
 pm.status_path = /fpm-status
 
 ; Ondemand process manager
-pm = ondemand
+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'.
@@ -46,6 +46,9 @@ pm = ondemand
 ; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
 ; Note: This value is mandatory.
 pm.max_children = 100
+pm.start_servers = $pm_start_servers
+pm.min_spare_servers = $pm_min_spare_servers
+pm.max_spare_servers = $pm_max_spare_servers
 
 ; The number of seconds after which an idle process will be killed.
 ; Note: Used only when pm is set to 'ondemand'
@@ -56,7 +59,7 @@ pm.process_idle_timeout = 10s;
 ; This can be useful to work around memory leaks in 3rd party libraries. For
 ; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.
 ; Default Value: 0
-pm.max_requests = 1000
+pm.max_requests = $pm_max_requests
 
 ; Make sure the FPM workers can reach the environment variables for configuration
 clear_env = $clear_env