version: '3.8'

services:
  web:
    image: nginx:latest
    ports:
      - "8080:80"          
    networks:
      - myapp-net
    restart: on-failure
    depends_on:
      - db

  db:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: example
      MYSQL_DATABASE: appdb
    volumes:
      - mysql-data:/var/lib/mysql
    networks:
      - myapp-net
    restart: on-failure

networks:
  myapp-net:
    external: true

volumes:
  mysql-data:
    external: true