FROM python:3.12-slim

WORKDIR /app

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

COPY . .

# Hugging Face Spaces runs containers as user 1000 — make app dirs writable
RUN useradd -m -u 1000 appuser \
    && mkdir -p /app/uploads /app/backend/data \
    && chown -R appuser:appuser /app
USER appuser

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