Improve docker build to use hooks

docker/etc/php7/conf.d/local.ini

@@ -0,0 +1,15 @@
+expose_php = Off
+error_reporting = E_ALL
+display_errors = Off
+log_errors = On
+error_log = /dev/stderr
+date.timezone = UTC
+allow_url_fopen = On
+post_max_size = 32M
+upload_max_filesize = 32M
+opcache.max_accelerated_files = 7963
+opcache.validate_timestamps = Off
+opcache.save_comments = 0
+opcache.load_comments = 0
+opcache.fast_shutdown = 1
+opcache.enable_file_override = On

docker/etc/php7/php-fpm.conf

@@ -0,0 +1,19 @@
+[global]
+error_log = /proc/self/fd/2
+log_level = error
+daemonize = no
+
+[www]
+catch_workers_output = yes
+user = nginx
+group = nginx
+listen.owner = nginx
+listen.group = nginx
+listen = /var/run/php-fpm.sock
+pm = dynamic
+pm.max_children = 20
+pm.start_servers = 1
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+pm.max_requests = 2048
+include = /etc/php7/php-fpm.d/env.conf

docker/etc/php7/php-fpm.d/env.conf

@@ -0,0 +1,3 @@
+env[DATABASE_URL] = $DATABASE_URL
+env[DEBUG] = $DEBUG
+env[API_AUTHENTICATION_TOKEN] = $API_AUTHENTICATION_TOKEN