Dockerfile

FROM python:3.9-slim

WORKDIR /app

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

COPY . .

# Create a non-root user for security (good practice for HF Spaces)
RUN useradd -m -u 1000 user
USER user

EXPOSE 7860

CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]