docker-compose_prod.yml

version: '3.8'

services:
  db:
    image: mysql:5.7
    container_name: wp_db
    restart: always
    environment:
      MYSQL_DATABASE: wp_db
      MYSQL_USER: wp_user
      MYSQL_PASSWORD: 'random_pass'
      MYSQL_ROOT_PASSWORD: 'random_admin_pass'
    volumes:
      - ./db-data:/var/lib/mysql

  wordpress:
    build:
      dockerfile: ./docker/Dockerfile
      context: .
    image: wordpress_app:latest
    container_name: wp_app
    restart: always
    depends_on:
      - db
      - smtp
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_NAME: wp_db
      WORDPRESS_DB_USER: wp_user
      WORDPRESS_DB_PASSWORD: 'random_pass'
      WORDPRESS_CONFIG_EXTRA: "define('FORCE_SSL_ADMIN', true);"
    volumes:
      - ./wp-content:/var/www/html/wp-content
      - wp:/var/www/html

  nginx:
    image: nginx:1.18-alpine
    container_name: wp_nginx
    restart: always
    ports:
      - '8080:80'
    volumes:
      - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
      - wp:/var/www/html:ro
    volumes_from:
      - wordpress
    depends_on:
      - wordpress

  smtp:
    image: mwader/postfix-relay
    restart: always
    environment:
      POSTFIX_myhostname: your-domain.com
      OPENDKIM_DOMAINS: your-domain.com
    volumes:
      - dkim-data:/etc/opendkim/keys

volumes:
  wp:
  dkim-data: