Docker compose MySQL and phpMyAdmin containers

docker-compose.yml

version: '2'

services:
  mysql:
     image: mysql:5
     volumes:
       - ./mysql:/var/lib/mysql
     restart: always
     ports:
       - "3306:3306"
     environment:
       MYSQL_ROOT_PASSWORD: 123
       MYSQL_DATABASE: schedule
       MYSQL_USER: test
       MYSQL_PASSWORD: 123

  phpmyadmin:
     image: phpmyadmin/phpmyadmin
     restart: always
     ports:
       - "8080:80"
     depends_on:
       - mysql
     depends_on:
       - mysql
     environment:
       MYSQL_ROOT_PASSWORD: 123
       PMA_HOST: mysql
       PMA_USER: root
       PMA_PASSWORD: 123