services:
  ebook2audiobook:
    image: ebook2audiobook:${DEVICE_TAG:-cpu}  # e.g. DEVICE_TAG=cu128 → ebook2audiobook:cu128
    build:
      context: .
      dockerfile: Dockerfile
      args:
        APP_VERSION: ${APP_VERSION:-25.12.32}
        DEVICE_TAG: ${DEVICE_TAG:-cpu}         # e.g. cu128, cu118, rocm, xpu, cpu
    container_name: ebook2audiobook
    working_dir: /app
    entrypoint: ["python", "app.py", "--script_mode", "full_docker"]
    tty: true
    stdin_open: true
    ports:
      - "7860:7860"
    privileged: true   # Kept as required for some Unraid users

    # NVIDIA GPU passthrough – works on Docker hosts with NVIDIA Container Toolkit
    # Ignored safely if toolkit not installed or no NVIDIA GPU
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              count: all
              capabilities: [gpu]

    volumes:
      - .:/app:rw      # Bind mount current directory – works everywhere

    restart: unless-stopped

    # Legacy NVIDIA runtime fallback – harmless on non-NVIDIA hosts
    environment:
      - NVIDIA_VISIBLE_DEVICES=all
      - NVIDIA_DRIVER_CAPABILITIES=compute,utility