Updated image to use PHP7.1. Upped max children to allow 100 concurrent users

Author: TrafeX

Dockerfile

@@ -1,20 +1,23 @@
 FROM alpine:3.5
 LABEL Maintainer="Tim de Pater <[email protected]>" \
-      Description="Lightweight WordPress container with Nginx 1.10 & PHP-FPM 7.0 based on Alpine Linux."
+      Description="Lightweight WordPress container with Nginx 1.10 & PHP-FPM 7.1 based on Alpine Linux."
 
-# Install packages
-RUN apk --no-cache add php7 php7-fpm php7-mysqli php7-json php7-openssl php7-curl \
-    php7-zlib php7-xml php7-phar php7-intl php7-dom php7-xmlreader php7-ctype \
-    php7-mbstring php7-gd nginx supervisor curl bash \
+# Install packages from testing repo's
+RUN apk --no-cache add php7.1 php7.1-fpm php7.1-mysqli php7.1-json php7.1-openssl php7.1-curl \
+    php7.1-zlib php7.1-xml php7.1-phar php7.1-intl php7.1-dom php7.1-xmlreader php7.1-ctype \
+    php7.1-mbstring php7.1-gd nginx \
     --repository http://dl-cdn.alpinelinux.org/alpine/edge/main/ \
-    --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/
+    --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/
+
+# Install packages from stable repo's
+RUN apk --no-cache add supervisor curl bash
 
 # Configure nginx
 COPY config/nginx.conf /etc/nginx/nginx.conf
 
 # Configure PHP-FPM
-COPY config/fpm-pool.conf /etc/php7/php-fpm.d/zzz_custom.conf
-COPY config/php.ini /etc/php7/conf.d/zzz_custom.ini
+COPY config/fpm-pool.conf /etc/php7.1/php-fpm.d/zzz_custom.conf
+COPY config/php.ini /etc/php7.1/conf.d/zzz_custom.ini
 
 # Configure supervisord
 COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

README.md

@@ -1,16 +1,16 @@
 # WordPress Docker Container
 
-Lightweight WordPress container with Nginx 1.10 & PHP-FPM 7.0 based on Alpine Linux.
+Lightweight WordPress container with Nginx 1.10 & PHP-FPM 7.1 based on Alpine Linux.
 
 _WordPress version currently installed:_ **4.7.3**
 
 * Used in production for my own sites, making it stable, tested and up-to-date
-* Optimized for 50 concurrent users
+* Optimized for 100 concurrent users
 * Optimized to only use resources when there's traffic (by using PHP-FPM's ondemand PM)
 * Best to be used with Amazon Cloudfront as SSL terminator and CDN
 * Built on the lightweight Alpine Linux distribution
 * Small Docker image size (+/-45MB)
-* Uses PHP 7.0 for better performance, lower cpu usage & memory footprint
+* Uses PHP 7.1 for better performance, lower cpu usage & memory footprint
 * Can safely be updated without loosing data
 * Fully configurable because wp-config.php uses the environment variables you can pass as a argument to the container
 

config/fpm-pool.conf

@@ -14,7 +14,7 @@ pm = ondemand
 ; forget to tweak pm.* to fit your needs.
 ; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
 ; Note: This value is mandatory.
-pm.max_children = 50
+pm.max_children = 100
 
 ; The number of seconds after which an idle process will be killed.
 ; Note: Used only when pm is set to 'ondemand'
@@ -25,7 +25,7 @@ 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 = 500
+pm.max_requests = 1000
 
 ; Make sure the FPM workers can reach the environment variables for configuration
 clear_env = no

config/nginx.conf

@@ -2,12 +2,12 @@ worker_processes  1;
 pid /run/nginx.pid;
 
 events {
-    worker_connections  1024;
+    worker_connections 1024;
 }
 
 http {
-    include       mime.types;
-    default_type  application/octet-stream;
+    include mime.types;
+    default_type application/octet-stream;
 
     log_format  main_timed  '$remote_addr - $remote_user [$time_local] "$request" '
                             '$status $body_bytes_sent "$http_referer" '
@@ -73,7 +73,7 @@ http {
         # Based on https://codeable.io/wordpress-developers-intro-to-docker-part-two/
         location /wp-content {
             root /var/www;
-            expires 5d;
+            expires 7d;
             add_header Cache-Control "public";
         }
 
@@ -94,7 +94,7 @@ http {
             fastcgi_busy_buffers_size 256k;
 
             fastcgi_index index.php;
-            fastcgi_pass  localhost:9000;
+            fastcgi_pass localhost:9000;
 
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
             include fastcgi_params;

config/supervisord.conf

@@ -4,7 +4,7 @@ logfile=/var/log/supervisord.log
 pidfile=/run/supervisord.pid
 
 [program:php-fpm]
-command=php-fpm7 -F
+command=php-fpm7.1 -F
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 redirect_stderr=true