version: "3.6"
services:
  wordpress:
    image: wordpress:latest
    container_name: wordpress
    volumes:
      - ./wp-content:/var/www/html/wp-content
    environment:
      - WORDPRESS_DB_NAME=wordpress
      - WORDPRESS_TABLE_PREFIX=wp_
      - WORDPRESS_DB_HOST=db
      - WORDPRESS_DB_USER=root
      - WORDPRESS_DB_PASSWORD=password
    depends_on:
      - db
      - phpmyadmin
    restart: always
    ports:
      - 8100:80

  db:
    image: mariadb:latest
    container_name: db
    volumes:
      #Map the local db_data directory as a database directory. If you write db_data directly, it corresponds to the volumes below.
      - ./db_data:/var/lib/mysql 
      # This is optional!!!
      #- ./dump.sql:/docker-entrypoint-initdb.d/dump.sql #Automatically import database
      # # #
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_USER=root
      - MYSQL_PASSWORD=password
      - MYSQL_DATABASE=wordpress
    restart: always

  phpmyadmin:
    depends_on:
      - db
    image: phpmyadmin/phpmyadmin:latest
    container_name: phpmyadmin
    restart: always
    ports:
      - 8180:80
    environment:
      PMA_HOST: db
      MYSQL_ROOT_PASSWORD: password

#volumes:
  #db_data: #After definition, it will be placed in /var/lib/docker/volumes/