Automatically install redis object cache drop in

.env.example

@@ -23,6 +23,9 @@ MYSQL_DATABASE=wordpress
 # nginx - nginx:latest
 NGINX_VERSION=latest
 
+# redis
+REDIS_PASSWORD=changeme
+
 # volumes on host
 NGINX_CONF_DIR=./nginx
 NGINX_LOG_DIR=./logs/nginx

build/wordpress/Dockerfile

@@ -80,6 +80,9 @@ RUN set ex; \
 	tar -xzf wordpress.tar.gz -C /usr/src/; \
 	rm wordpress.tar.gz; \
 	chown -R www-data:www-data /usr/src/wordpress; \
+# install redis object cache
+	curl -o /usr/src/wordpress/wp-content/object-cache.php https://raw.githubusercontent.com/pantheon-systems/wp-redis/master/object-cache.php; \
+	#chown -R www-data:www-data /usr/src/wordpress; \
 # pre-create wp-content (and single-level children) for folks who want to bind-mount themes, etc so permissions are pre-created properly instead of root:root
 	mkdir wp-content; \
 	for dir in /usr/src/wordpress/wp-content/*/; do \
@@ -87,10 +90,7 @@ RUN set ex; \
 		mkdir "wp-content/$dir"; \
 	done; \
 	chown -R www-data:www-data wp-content; \
-	chmod -R 777 wp-content
-
-
-VOLUME /var/www/html
+	chmod -R 777 wp-content;
 
 COPY docker-entrypoint.sh /usr/local/bin/
 

docker-compose.yml

@@ -52,6 +52,7 @@ services:
       - db
     volumes:
       - ${WORDPRESS_DIR:-./wordpress}:/var/www/html/
+      - ./object-cache.php:/var/www/html/wp-content/object-cache.php
       - ${PHP_UPLOADS:-./php/uploads.ini}:/usr/local/etc/php/conf.d/uploads.ini
     environment:
       WORDPRESS_DB_NAME: ${MYSQL_DATABASE:-wordpress}
@@ -61,6 +62,13 @@ services:
       WORDPRESS_DB_PASSWORD: ${MYSQL_PASSWORD:-password}
       WORDPRESS_CONFIG_EXTRA: |
         define('FS_METHOD', 'direct');
+        $$redis_server = array(
+          'host'     => 'redis',
+          'port'     => 6379,
+          'auth'     => '2ihJHjk45ff',
+          'database' => 0, // Optionally use a specific numeric Redis database. Default is 0.
+        );
+
     restart: always
 
   nginx:
@@ -102,7 +110,7 @@ services:
   redis:
     image: redis:alpine
     container_name: ${CONTAINER_PREFIX}-redis
+    command: redis-server --requirepass ${REDIS_PASSWORD}
     restart: always
-    networks:
-      - default
-      - web
+    ports:
+      - 6379:6379