FROM python:3.12-slim

WORKDIR /app

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

COPY kantine2ical.py app.py ./

RUN useradd -m appuser
USER appuser

EXPOSE 8000

CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:8000", "app:app"]