docker-compose mysql

docker-compose.mysql.yml

version: '3.3'
services:
  mysql:
    image: mysql
    restart: always
    container_name: mysql
    environment:
      MYSQL_DATABASE: db
      MYSQL_USER: test
      MYSQL_PASSWORD: root
      MYSQL_ROOT_PASSWORD: root
    ports:
      - '3306:3306'
networks:
  default:
    name: mynetwork
    external: true