FROM python:3.10-slim

WORKDIR /app

# System deps (PIL/ffmpeg helpful for images)
RUN apt-get update && apt-get install -y git ffmpeg libsm6 libxext6 && rm -rf /var/lib/apt/lists/*

# >>> Use /data for caches (writable volume on Spaces)
ENV XDG_CACHE_HOME=/data/.cache \
    HF_HOME=/data/.cache/huggingface \
    TRANSFORMERS_CACHE=/data/.cache/huggingface/hub \
    HF_HUB_ENABLE_HF_TRANSFER=1

# Create cache dirs and make them writable
RUN mkdir -p /data/.cache/huggingface/hub && chmod -R 777 /data

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"]