version: "3"
services:
  web:
    image: web
    environment:
      - MYSQL_HOST=db
      - MYSQL_DATABASE=docker
      - MYSQL_USER=docker
      - MYSQL_PASSWORD=docker
    networks:
      - formation_net
      - traefik_traefik_net
    deploy:
      labels:
        traefik.docker.network: "traefik_traefik_net"
        traefik.port: "80"
        traefik.frontend.rule: "Host:web.traefik"
  db:
    image: mariadb:10.7.1
    environment:
      - MYSQL_ROOT_PASSWORD=docker
      - MYSQL_DATABASE=docker
      - MYSQL_USER=docker
      - MYSQL_PASSWORD=docker
    networks:
      - formation_net
networks:
  traefik_traefik_net:
    external: true
  formation_net:
    driver: overlay