FROM python:3.11-slim

WORKDIR /app

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

COPY server.py .
COPY templates/ templates/

RUN mkdir -p /data

EXPOSE 9531

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:9531/health')"

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