version: '3.7'
services:
  mysql:
    networks:
      - new
    ports:
      - "3306:3306"
    image: mysql:5.7
    volumes:
      - ./db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: your_password
      MYSQL_DATABASE: your_database
      MYSQL_USER: your_user
      MYSQL_PASSWORD: your_passoword
  app:
    networks:
      - new
    depends_on:
      - mysql
    image: your_image
    ports:
      - "80:5000"
    restart: always
    environment:
      MYSQL_HOST: mysql
networks:
  new: