redirect output of php-fpm and its workers.

Author: makasim

base/Dockerfile

@@ -16,9 +16,10 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 # forward request and error logs to docker log collector
-RUN ln -sf /dev/stdout /var/log/nginx/access.log \
+RUN ln -sf /dev/stderr /var/log/nginx/access.log \
 	&& ln -sf /dev/stderr /var/log/nginx/error.log \
-	&& ln -sf /dev/stderr /var/log/php7.2-fpm.log
+	&& ln -sf /dev/stderr /var/log/php7.2-fpm.log \
+	&& ln -sf /dev/stderr /var/log/php-fpm.log
 
 RUN rm -f /etc/nginx/sites-enabled/*
 

base/php-fpm.conf.tpl

@@ -5,7 +5,9 @@ pm.max_children = 5
 pm.start_servers = 2
 pm.min_spare_servers = 1
 pm.max_spare_servers = 3
+
 clear_env = no
+catch_workers_output=yes
 
 user = $PHP_USER
 group = $PHP_GROUP