FROM python:3.12-slim

ARG APT_MIRROR=mirrors.tuna.tsinghua.edu.cn
RUN sed -i "s|deb.debian.org|${APT_MIRROR}|g; s|security.debian.org|${APT_MIRROR}|g" \
      /etc/apt/sources.list /etc/apt/sources.list.d/*.sources 2>/dev/null || true \
    && apt-get update && apt-get install -y --no-install-recommends \
    fping iputils-ping && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt .
ARG PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
RUN pip install --no-cache-dir --index-url "$PIP_INDEX_URL" -r requirements.txt

COPY . .

EXPOSE 8000
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]