FROM python:3.12-slim

RUN apt-get update \
    && apt-get install -y --no-install-recommends tini \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY . .

EXPOSE 8000 8501

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
  CMD python -c "import urllib.request as u; u.urlopen('http://127.0.0.1:8000/health', timeout=3); u.urlopen('http://127.0.0.1:8501/_stcore/health', timeout=3)"

ENTRYPOINT ["/usr/bin/tini", "--"]
CMD ["python", "start.py"]