FROM docker.io/python:3.10.16-slim

# 使用国内源，解决 apt-get 下载失败/超时问题
RUN sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list \
 && sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list

# apt-get 安装构建依赖 + 重试机制（非常重要）
RUN apt-get update \
 && apt-get install -y --no-install-recommends \
    gcc g++ unixodbc unixodbc-dev default-libmysqlclient-dev \
 || (sleep 3 && apt-get update && apt-get install -y --no-install-recommends \
    gcc g++ unixodbc unixodbc-dev default-libmysqlclient-dev) \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .

# pip 使用清华源，加快安装
RUN pip install --no-cache-dir -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple

COPY . .

# 预置配置文件到宿主机可挂载位置
RUN mkdir -p /opt/alert/model-lab \
 && cp /app/config.py /opt/alert/model-lab/config.py

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