FROM python:3.11-slim

WORKDIR /code

# --- MODIFIED: Use the correct, modern environment variable ---
# This tells ALL Hugging Face libraries where to store cache files.
ENV HF_HOME="/code/data/cache"

COPY ./requirements.txt /code/requirements.txt

RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

COPY ./ /code/

# Create the data and cache directories and make them writable
RUN mkdir -p data/cache && chmod -R 777 data

EXPOSE 7860

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