FROM python:3.13-slim

WORKDIR /app

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

COPY . .

RUN addgroup --system app && adduser --system --ingroup app --home /app app && \
    chown -R app:app /app
USER app

EXPOSE 5005

CMD ["gunicorn", "-b", "0.0.0.0:5005", "-w", "4", "app:app"]