Simple Docker Wordpress

docker-compose.yml

version: '3.1'

services:

  wordpress:
    image: wordpress
    restart: always
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: sqluser
      WORDPRESS_DB_PASSWORD: sqlpassword
      WORDPRESS_DB_NAME: wordpress
    volumes:
      - "./www:/var/www/html"

  db:
    image: mysql:5.7
    restart: always
    command: [--default-authentication-plugin=mysql_native_password]
    environment:
      MYSQL_DATABASE: wordpress
      MYSQL_USER: sqluser
      MYSQL_PASSWORD: sqlpassword
    volumes:
      - "./db:/var/lib/mysql"