# 主节点（151）后端 — 轻量级 Python 镜像，不含 GPU 依赖
# 仅负责 API/DB/WebSocket/SSH 调度，实际训练/推理在 253 算力节点执行
FROM docker.m.daocloud.io/library/python:3.10-slim

WORKDIR /app

# 换 Debian 国内镜像源（加速 apt-get）
RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources && \
    sed -i 's|security.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources

RUN apt-get update && apt-get install -y git openssh-client sshpass rsync && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 8010

HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8010/health')" || exit 1

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8010"]

COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]