Docker setup for WordPress + MySQL

docker-compose.yml

version: '3'

services:
  db:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: wordpress
      MYSQL_USER: user
      MYSQL_PASSWORD: password
    volumes:
      - db_data:/var/lib/mysql
    ports:
      - 3306:3306

  wordpress:
    depends_on:
      - db
    image: wordpress:5.1
    restart: always
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_NAME: wordpress
      WORDPRESS_DB_USER: user
      WORDPRESS_DB_PASSWORD: password
    volumes:
      - ./wp-content:/var/www/html/wp-content
    ports:
      - 8080:80
volumes:
  db_data: {}