FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

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

# Writable caches for hub/transformers
ENV HF_HOME=/data/hf
ENV TRANSFORMERS_CACHE=/data/hf/transformers
RUN mkdir -p /data/hf/hub /data/hf/transformers && chmod -R 777 /data

EXPOSE 7860
CMD exec uvicorn app:app --host 0.0.0.0 --port ${PORT:-7860}