docker-compose.yml

version: '3.3'

services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: somewordpress
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress

  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    ports:
      - "80:80"
    restart: always
    working_dir: /var/www/html
    volumes:
      # - ./content/themes:/var/www/html/wp-content
      - ./content/plugins:/var/www/html/wp-content/plugins
      - ./content/uploads:/var/www/html/wp-content/uploads
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
      WORDPRESS_CONFIG_EXTRA: |
        define('WP_ALLOW_MULTISITE', true );
        define('MULTISITE', true);
      WORDPRESS_CONFIG_EXTRA: |
          define('WP_ALLOW_MULTISITE', true );
          define('MULTISITE', true);
          define('SUBDOMAIN_INSTALL', false);

volumes:
  db_data: {}