services:

  # -- NATS Server ----------------------------
  nats:
    image: nats:latest
    profiles: ["nats"]
    ports:
      - "4222:4222"
      - "8222:8222"
    command: >
      --auth ${NATS_TOKEN:-realsense-dev-token}
      --http_port 8222
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "nats-server", "--help"]
      interval: 5s
      timeout: 3s
      retries: 3
      start_period: 5s

  # -- Backend --------------------------------
  backend:
    build:
      context: .
      dockerfile: Dockerfile
      # network: host so that build-time apt/git/pip can reach the
      # tinyproxy running on the host at localhost:8888.
      network: host
    privileged: true
    ports:
      - "${API_PORT:-8878}:8878"
    devices:
      - "/dev/bus/usb:/dev/bus/usb"
    volumes:
      - ./images:/app/images
      - ./models:/app/models:ro
    env_file: .env
    depends_on:
      nats:
        condition: service_healthy
        required: false
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "python3", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8878/api/health')"]
      interval: 10s
      timeout: 5s
      retries: 3

  # -- Frontend React Dev (hot reload) --------
  frontend-dev:
    image: node:20-alpine
    working_dir: /app
    volumes:
      - ./src/frontend/react:/app
      - /app/node_modules
    command: sh -c "npm ci && npm run dev -- --host 0.0.0.0"
    ports:
      - "5173:5173"
    profiles: [dev]