FROM python:3.11-slim

WORKDIR /app

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

COPY . .

# HuggingFace Spaces runs as a non-root user and expects port 7860
RUN useradd -m appuser && chown -R appuser /app
USER appuser

EXPOSE 7860

CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]