version: '3.8'

services:
  app:
    build: .
    volumes:
      - ./app:/home/appuser/app
    command: ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
    labels:
      - "traefik.enable=true"
      # Define a router for the app service
      - "traefik.http.routers.app-router.rule=Host(`localhost`)"
      - "traefik.http.routers.app-router.entrypoints=web"
      # Define the service port (internal to the container)
      - "traefik.http.services.app-service.loadbalancer.server.port=8000"
    networks:
      - web

networks:
  web:
    external: true # This network is assumed to be created by a central Traefik instance