Wordpress Docker Composer

compose.yml

services:
  wordpress:
    image: wordpress
    restart: always
    ports:
      - "8000:80"
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: example_user
      WORDPRESS_DB_PASSWORD: example_password
      WORDPRESS_DB_NAME: example_db
    volumes:
      - wordpress_data:/var/www/html
    depends_on:
      - db

  db:
    image: mysql:8
    restart: always
    environment:
      MYSQL_DATABASE: example_db
      MYSQL_USER: example_user
      MYSQL_PASSWORD: example_password
      MYSQL_RANDOM_ROOT_PASSWORD: '1'
    volumes:
      - db_data:/var/lib/mysql

volumes:
  wordpress_data:
  db_data: