store sessions in redis

app/.env

@@ -36,3 +36,6 @@ DATABASE_URL="postgresql://db_user:[email protected]:5432/db_name?serverVers
 # postgresql+advisory://db_user:db_password@localhost/db_name
 LOCK_DSN=semaphore
 ###< symfony/lock ###
+
+REDIS_HOST=redis
+REDIS_PORT=6379

app/config/packages/framework.yaml

@@ -7,7 +7,7 @@ framework:
     # Enables session support. Note that the session will ONLY be started if you read or write from it.
     # Remove or comment this section to explicitly disable session support.
     session:
-        handler_id: null
+        handler_id: Symfony\Component\HttpFoundation\Session\Storage\Handler\RedisSessionHandler
         cookie_secure: auto
         cookie_samesite: lax
         storage_factory_id: session.storage.factory.native

app/config/services.yaml

@@ -25,3 +25,13 @@ services:
 
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
+    Redis:
+        class: Redis
+        calls: 
+            - connect: 
+                - '%env(REDIS_HOST)%'
+                - '%env(int:REDIS_PORT)%'
+
+    Symfony\Component\HttpFoundation\Session\Storage\Handler\RedisSessionHandler:
+        arguments:
+            - '@Redis'

containers/php/Dockerfile

@@ -1,6 +1,7 @@
 FROM php:8.0-fpm
 
-RUN apt update \
+RUN echo 'deb [trusted=yes] https://repo.symfony.com/apt/ /' | tee /etc/apt/sources.list.d/symfony-cli.list \
+    && apt update \
     && apt install -y \
 	zlib1g-dev \
 	g++ \
@@ -10,15 +11,17 @@ RUN apt update \
 	libzip-dev \
 	libpng-dev \
 	libjpeg62-turbo-dev \
-	libfreetype6-dev\
+	libfreetype6-dev \
+    symfony-cli \
     && docker-php-ext-install intl opcache pdo pdo_mysql \
     && pecl install apcu \
     && docker-php-ext-enable apcu \
     && docker-php-ext-configure zip \
     && docker-php-ext-install zip \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install gd \
-    && docker-php-ext-install intl
+    && docker-php-ext-install intl \
+    && pecl install redis
 
 WORKDIR /var/www/lux
 

containers/php/conf/php.ini

@@ -1945,3 +1945,5 @@ opcache.enable=1
 ; List of headers files to preload, wildcard patterns allowed.
 ;ffi.preload=
 
+[redis]
+extension=redis.so

docker-compose.yml

@@ -36,3 +36,7 @@ services:
     depends_on:
       - php
       - database
+  redis:
+    container_name: redis
+    image: redis:5-alpine
+    ports: [6379]