FROM python:3.12-slim-bookworm

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    util-linux \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY . .

RUN mkdir -p /app/data

ENV HOST_ROOT=/host
ENV DATA_DIR=/app/data
ENV PYTHONUNBUFFERED=1

EXPOSE 8765

HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8765/login')" || exit 1

CMD ["gunicorn", "-b", "0.0.0.0:8765", "-w", "2", "--timeout", "180", "run:app"]
