FROM python:3.11-slim

WORKDIR /app

# HF Spaces expects port 7860
ENV PORT=7860
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 app.py .

# Precreate cache dir with right perms (HF Spaces runs as uid 1000)
RUN mkdir -p /app/.cache/huggingface && chmod -R 777 /app/.cache

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