Add FPM port override via ENV

Author: mtisaut

Dockerfile

@@ -76,6 +76,7 @@ ENV OPCACHE_VALIDATE_TIMESTAMPS 1
 ENV OPCACHE_CONSISTENCY_CHECKS 0
 
 # fpm settings
+ENV PHP_FPM_LISTEN 127.0.0.1:9000
 ENV PHP_FPM_PM dynamic
 ENV PHP_FPM_PM_MAX_CHILDREN 5
 ENV PHP_FPM_PM_START_SERVERS 2

files/conf/php-fpm/php-fpm.conf

@@ -1,5 +1,6 @@
 ; File overwrites the original values with environment variables
 [www]
+listen = ${PHP_FPM_LISTEN}
 pm = ${PHP_FPM_PM}
 pm.max_children = ${PHP_FPM_PM_MAX_CHILDREN}
 pm.start_servers = ${PHP_FPM_PM_START_SERVERS}