version: '2.1'
services:
   db:
     image: mysql:5.7
     volumes:
     #  - "./.data/db:/var/lib/mysql"
       - volume_with_label:/data/db
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: wordpress
       MYSQL_DATABASE: wordpress
       MYSQL_USER: wordpress
       MYSQL_PASSWORD: wordpress
   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     links:
       - db
     ports:
       - "80:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_PASSWORD: wordpress
volumes:
  volume_with_label:
    labels:
      - "alpha=beta"