version: "3.9"

services:
  nginx:
    image: dhi/nginx:latest
    depends_on:
      - php
    volumes:
      - wp_data:/var/www/html
      - ./nginx/conf.d/default.conf:/etc/nginx/conf.d/default.conf:ro
    networks:
      - web
      - internal
    labels:
      - "traefik.enable=true"
      - "traefik.docker.network=web"
      - "traefik.http.routers.${TRAEFIK_ROUTER_NAME}.rule=${TRAEFIK_HOSTRULE}"
      - "traefik.http.routers.${TRAEFIK_ROUTER_NAME}.entrypoints=${TRAEFIK_ENTRYPOINT}"
      - "traefik.http.routers.${TRAEFIK_ROUTER_NAME}.tls=true"
      - "traefik.http.services.${TRAEFIK_ROUTER_NAME}.loadbalancer.server.port=80"

  php:
    image: dhi/php:latest
    depends_on:
      - db
      - redis
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_NAME: ${MYSQL_DATABASE}
      WORDPRESS_DB_USER: ${MYSQL_USER}
      WORDPRESS_DB_PASSWORD: ${MYSQL_PASSWORD}

      # Multisite
      WORDPRESS_CONFIG_EXTRA: |
        define('WP_ALLOW_MULTISITE', true);
        define('MULTISITE', true);
        define('SUBDOMAIN_INSTALL', true);
        define('DOMAIN_CURRENT_SITE', '${DOMAIN}');
        define('PATH_CURRENT_SITE', '/');
        define('SITE_ID_CURRENT_SITE', 1);
        define('BLOG_ID_CURRENT_SITE', 1);
        define('WP_DEBUG', false);
        define('WP_REDIS_HOST', 'redis');
        define('WP_REDIS_PORT', 6379);
    volumes:
      - wp_data:/var/www/html
    networks:
      - internal

  db:
    image: dhi/mysql:latest
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      MYSQL_DATABASE: ${MYSQL_DATABASE}
      MYSQL_USER: ${MYSQL_USER}
      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
    volumes:
      - db_data:/var/lib/mysql
    networks:
      - internal

  redis:
    image: dhi/redis:latest
    networks:
      - internal

networks:
  web:
    external: true     # existierendes Traefik-Netz
  internal:
    internal: true

volumes:
  wp_data:
  db_data: