Simple WordPress Docker setup.

docker-compose.yml

version: '3.3'

services:
  mysql:
    image: mysql:5.7
    ports:
      - "3306:3306"
    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:
      - mysql
    image: wordpress:latest
    volumes:
      - ./wp-content:/var/www/html/wp-content
    ports:
      - "8000:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: mysql:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
      WORDPRESS_DB_NAME: wordpress

  cli:
    image: wordpress:cli
    volumes:
      - .:/var/www/html/

volumes:
  db_data: {}