Docker : Wordpress / Mysql

version: "2"
services:
  wordpress-ex:
    depends_on:
      - db
    restart: always
    image: wordpress:latest
    container_name: wordpress-ex
    volumes:
      - "./volumes/wordpress-ex/wp-content/:/var/www/html/wp-content"
    environment:
      - WORDPRESS_DB_HOST=db:3306
      - WORDPRESS_DB_USER=wordpressex
      - WORDPRESS_DB_PASSWORD=PASS
      - WORDPRESS_DB_NAME=wordpressex
    ports:
      - 80:80
      - 443:443
    networks:
      - back

  db:
    restart: always
    image: mysql:5.7
    container_name: db_wordpress-ex
    volumes:
      - "./volumes/wordpress-ex/db_data:/var/lib/mysql"
    environment:
      - MYSQL_ROOT_PASSWORD=ROOTPASS
      - MYSQL_DATABASE=wordpresspro
      - MYSQL_USER=wordpresspro
      - MYSQL_PASSWORD=PASS
    networks:
      - back

networks:
  back: