add redis cache to wordpress

srcs/docker-compose.yml

@@ -42,6 +42,15 @@ services:
         aliases:
           - $DOMAIN_NAME
     env_file: .env
+  redis:
+    restart: on-failure
+    build:
+      context: ./requirements/bonus/redis
+      dockerfile: Dockerfile
+    networks:
+      - inception
+    secrets:
+      - redis_password
   wordpress:
     restart: on-failure
     depends_on:
@@ -58,6 +67,7 @@ services:
     secrets:
       - db_password
       - admin_password
+      - redis_password
     env_file: .env
   adminer:
     restart: on-failure
@@ -81,6 +91,8 @@ secrets:
     file: ../secrets/db_root_password.txt
   admin_password:
     file: ../secrets/credentials.txt
+  redis_password:
+    file: ../secrets/redis_password.txt
 
 networks:
   inception:

srcs/requirements/bonus/redis/Dockerfile

@@ -0,0 +1,14 @@
+FROM alpine:3.21.2
+
+LABEL org.opencontainers.image.authors="alier@student.42mulhouse.fr"
+
+RUN apk add redis
+
+HEALTHCHECK --start-period=5s \
+    CMD [ "$(cat /run/secrets/redis_password | redis-cli --askpass ping)" = "PONG" ]
+
+COPY tools/setup_redis.sh /setup_redis.sh
+
+EXPOSE 6379
+
+ENTRYPOINT ["sh", "setup_redis.sh"]

srcs/requirements/bonus/redis/tools/setup_redis.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo "requirepass $(cat /run/secrets/redis_password)
+bind * -::*" >> /etc/redis.conf
+
+exec redis-server /etc/redis.conf

srcs/requirements/wordpress/Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:3.21.2
 LABEL org.opencontainers.image.authors="alier@student.42mulhouse.fr"
 
 RUN apk add php84 php84-phar php84-fpm php84-mysqli php84-iconv php84-curl php84-dom php84-exif \
-    php84-fileinfo php84-pecl-imagick php84-mbstring php84-zip php84-gd php84-intl fcgi curl
+    php84-fileinfo php84-pecl-imagick php84-mbstring php84-zip php84-gd php84-intl php84-tokenizer fcgi curl
 
 RUN ln -s /usr/bin/php84 /usr/bin/php && \
     curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar && \

srcs/requirements/wordpress/tools/setup_wordpress.sh

@@ -5,8 +5,14 @@ if [ ! -e '/var/www/wordpress/wp-config.php' ]; then
 
     cd /var/www/wordpress
     wp config create --dbname="$DB_DB" --dbuser="$DB_USER" --dbpass="$(cat /run/secrets/db_password)" --dbhost=mariadb
+    wp config set WP_REDIS_HOST "redis"
+    wp config set WP_REDIS_PORT "6379"
+    wp config set WP_REDIS_DATABASE "0"
+    wp config set WP_REDIS_PASSWORD "$(cat /run/secrets/redis_password)"
     wp core install --url="$DOMAIN_NAME" --title="$TITLE" --admin_user="$ADMIN_USER" --admin_email="$ADMIN_EMAIL" \
         --admin_password="$(cat /run/secrets/admin_password)"
+    wp plugin install redis-cache --activate
+    wp redis enable
     wp option update siteurl "https://$DOMAIN_NAME"
     wp option update home "https://$DOMAIN_NAME"
     wp user create bob bob@example.org