# Dev/prod stack. Worker reuses the api image with a different command.
# The ML service is intentionally a commented placeholder — it is optional
# (graceful degradation) and lands in a later phase.

services:
  api:
    build: .
    command: uvicorn app.main:app --host 0.0.0.0 --port 8000
    env_file: .env
    environment:
      DATABASE_URL: postgresql+asyncpg://mcma:mcma@db:5432/mcma
      REDIS_URL: redis://redis:6379/0
    ports:
      - "8000:8000"
    volumes:
      - media:/data/media
      - transcode_cache:/data/transcode-cache
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://localhost:8000/health').status==200 else 1)"]
      interval: 30s
      timeout: 5s
      retries: 3
    restart: unless-stopped

  worker:
    build: .
    command: arq app.workers.arq_worker.WorkerSettings
    env_file: .env
    environment:
      DATABASE_URL: postgresql+asyncpg://mcma:mcma@db:5432/mcma
      REDIS_URL: redis://redis:6379/0
    volumes:
      - media:/data/media
      - transcode_cache:/data/transcode-cache
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
    restart: unless-stopped

  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: mcma
      POSTGRES_PASSWORD: mcma
      POSTGRES_DB: mcma
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U mcma"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  redis:
    image: redis:7-alpine
    command: redis-server --save 60 1 --loglevel warning
    volumes:
      - redisdata:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  # Reverse proxy + auto-HTTPS (enable on prod with a real domain).
  # caddy:
  #   image: caddy:2-alpine
  #   ports: ["80:80", "443:443"]
  #   volumes:
  #     - ./Caddyfile:/etc/caddy/Caddyfile
  #     - caddy_data:/data
  #   depends_on: [api]
  #   restart: unless-stopped

  # ML recommendation service — OPTIONAL, added in a later phase.
  # The backend must run fully without it (set ML_SERVICE_URL to enable).
  # ml:
  #   image: mcma-ml:latest
  #   environment:
  #     MODEL_PATH: /models
  #   restart: unless-stopped

volumes:
  pgdata:
  redisdata:
  media:
  transcode_cache:
  # caddy_data: