FROM python:3.11.9-slim

WORKDIR /app

RUN groupadd -r appgroup && useradd -r -m -g appgroup appuser

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

COPY . .

RUN chown -R appuser:appgroup /app

EXPOSE 7860

USER appuser

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1

CMD ["python", "app.py"]