WPK-17 – configure Redis caching (+ opcache)

.env

@@ -28,7 +28,9 @@ APP_SECRET=replace-with-your-secret
 DATABASE_URL=postgresql://wpackagist_local:wpLocalPassword@db:/wpackagist_local
 ###< doctrine/doctrine-bundle ###
 
-# Deployed envs use an EFS-mounted path so that all instances share data.
+# Only used if you turn off using the database, e.g. for isolated local testing.
 PACKAGE_PATH=/var/www/html/packages
 
+REDIS_HOST=redis
+
 PUBLIC_DIR=web

Dockerfile

@@ -17,6 +17,10 @@ RUN apt-get update -qq && \
 RUN docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql \
  && docker-php-ext-install intl mbstring pdo_pgsql
 
+RUN docker-php-ext-enable opcache
+
+RUN pecl install redis && rm -rf /tmp/pear && docker-php-ext-enable redis
+
 # Get latest Composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
 

config/packages/cache.yaml

@@ -1,19 +1,23 @@
 framework:
     cache:
         # Unique name of your app: used to compute stable namespaces for cache keys.
-        #prefix_seed: your_vendor_name/app_name
+        prefix_seed: "wpackagist/%env(APP_ENV)%"
 
         # The "app" cache stores to the filesystem by default.
         # The data in this cache should persist between deploys.
         # Other options include:
 
         # Redis
-        #app: cache.adapter.redis
-        #default_redis_provider: redis://localhost
+        app: cache.adapter.redis
+        system: cache.adapter.redis
+        default_redis_provider: "redis://%env(REDIS_HOST)%"
 
         # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
         #app: cache.adapter.apcu
 
         # Namespaced pools use the above "app" backend by default
-        #pools:
-            #my.dedicated.cache: null
+        pools:
+            doctrine.result_cache_pool:
+                adapter: cache.app
+            doctrine.system_cache_pool:
+                adapter: cache.system

config/packages/prod/doctrine.yaml

@@ -10,11 +10,3 @@ doctrine:
         result_cache_driver:
             type: pool
             pool: doctrine.result_cache_pool
-
-framework:
-    cache:
-        pools:
-            doctrine.result_cache_pool:
-                adapter: cache.app
-            doctrine.system_cache_pool:
-                adapter: cache.system

config/packages/stg/doctrine.yaml

@@ -10,11 +10,3 @@ doctrine:
         result_cache_driver:
             type: pool
             pool: doctrine.result_cache_pool
-
-framework:
-    cache:
-        pools:
-            doctrine.result_cache_pool:
-                adapter: cache.app
-            doctrine.system_cache_pool:
-                adapter: cache.system

config/php/php.ini

@@ -1,2 +1,19 @@
 memory_limit = -1
 date.timezone = "UTC"
+
+; See https://secure.php.net/manual/en/opcache.configuration.php#ini.opcache.max-accelerated-files
+; and https://www.scalingphpbook.com/blog/2014/02/14/best-zend-opcache-settings.html
+opcache.max_accelerated_files = 7963
+
+; We have a good amount of memory available, so increase this from the default 128MB
+opcache.memory_consumption = 384
+
+; Increase from default 8MB
+opcache.interned_strings_buffer = 32
+
+; As recommended by https://secure.php.net/manual/en/opcache.installation.php and
+; https://www.scalingphpbook.com/blog/2014/02/14/best-zend-opcache-settings.html
+opcache.fast_shutdown = 1
+
+; Task definition artifacts are immutable on ECS and cache check time is 0 on local -> may as well make tasks faster
+opcache.enable_cli = 1

config/services.yaml

@@ -4,7 +4,7 @@
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices/configuration.html#application-related-configuration
 parameters:
-    wpackagist.packages.path: '%env(resolve:PACKAGE_PATH)%'
+    wpackagist.packages.path: '%env(resolve:PACKAGE_PATH)%' # Not used any more except for a subset of local dev.
 
 services:
     # default configuration for services in *this* file

docker-compose.yml

@@ -15,6 +15,8 @@ services:
             - 5432:5432
         env_file:
             - .env.postgres.local
+    redis:
+        image: redis:6.2
     cron:
         build:
             context: .
@@ -28,6 +30,7 @@ services:
             - .env.local
         depends_on:
             - db
+            - redis
     web:
         build:
             context: .
@@ -41,6 +44,7 @@ services:
             - .env.local
         depends_on:
             - db
+            - redis
     adminer:
         image: adminer
         ports: