services:

  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: quantlab-backend
    ports:
      - "8000:8000" # Exposed for direct access / debugging
    volumes:
      - ./paper_trading.log:/app/paper_trading.log # Persist log on host
    environment:
      - PYTHONUNBUFFERED=1
    restart: unless-stopped
    healthcheck:
      # python:3.11-slim has no curl — use stdlib urllib instead
      test: [ "CMD", "python", "-c", "import urllib.request, sys; urllib.request.urlopen('http://localhost:8000/docs'); sys.exit(0)" ]
      interval: 20s
      timeout: 10s
      retries: 5
      start_period: 30s

  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    container_name: quantlab-frontend
    ports:
      - "3000:80" # Visit http://localhost:3000
    depends_on:
      - backend # start after backend; nginx will retry API calls naturally
    restart: unless-stopped