docker-compose to create container with mysql and phpmyadmin

docker-compose.yml

version: "3"

services:
  db:
    image: mysql
    volumes:
      - db_data:/var/lib/mysql

    restart: always

    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_PASSWORD: root

    ports:
      - "3306:3306"

  phpmyadmin:
    depends_on:
      - db
    image: phpmyadmin
    restart: always
    ports:
      - "8090:80"
    environment:
      PMA_HOST: db
      MYSQL_ROOT_PASSWORD: password

volumes:
  db_data:

PhpMyAdmin exposed on port 8090