FROM python:3.11-slim

# System deps for Pillow / torch runtime.
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Cache the model into a writable dir (HF Spaces runs as non-root).
ENV HF_HOME=/app/.cache/huggingface
ENV TRANSFORMERS_CACHE=/app/.cache/huggingface

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]