# ======================
# Build Stage（含 gcc）
# ======================
FROM python:3.10.16-slim AS builder

# 使用清华源（Debian 12 Bookworm）
RUN printf "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware\n\
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware\n\
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware\n" \
> /etc/apt/sources.list

RUN apt-get update \
 && apt-get install -y --no-install-recommends \
    gcc g++ unixodbc-dev default-libmysqlclient-dev \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /build
COPY requirements.txt .

RUN pip install --no-cache-dir --prefix=/python_install \
    -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple


# ======================
# Runtime Stage（无 gcc）
# ======================
FROM python:3.10.16-slim

# 使用清华源（HTTPS）
RUN printf "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware\n\
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware\n\
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware\n" \
> /etc/apt/sources.list

# pyodbc 必须安装 libodbc1（提供 libodbc.so.2）
RUN apt-get update \
 && apt-get install -y --no-install-recommends \
    libodbc1 unixodbc \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# 复制已编译好的依赖
COPY --from=builder /python_install /usr/local

# 复制代码
COPY . .

RUN mkdir -p /opt/alert/model-lab \
 && cp /app/config.py /opt/alert/model-lab/config.py

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