# ===================== 第一阶段：构建 Python 3.12 环境 =====================
FROM centos:xnyV1.3 AS python-builder

# 配置阿里云 yum 源（确保容器内 yum 可用）
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo && \
    sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo && \
    yum clean all && yum makecache

# 安装 Python 编译依赖
RUN yum install -y \
    gcc make openssl-devel bzip2-devel libffi-devel zlib-devel \
    sqlite-devel readline-devel xz-devel tk-devel libnsl-devel \
    libtirpc-devel wget

# 下载并编译 Python 3.12（直接使用官方源，避免校验失败）
RUN cd /tmp && \
    wget https://mirrors.huaweicloud.com/python/3.12.0/Python-3.12.0.tgz && \
    echo "51412956d86a61d1a7d227873d2b3697e1fccc16d7b3b5e2b6a8cd372d74edb9 Python-3.12.0.tgz" | sha256sum -c - && \
    tar xzf Python-3.12.0.tgz && \
    cd Python-3.12.0 && \
    ./configure \
        --enable-optimizations \
        --with-lto=no \
        --enable-shared \
        --with-system-expat \
        --with-system-ffi \
        --with-ensurepip=yes \
        --enable-ipv6 && \
    make -j$(($(nproc)-1)) altinstall && \
    ldconfig && \
    ln -sf /usr/local/bin/python3.12 /usr/local/bin/python3 && \
    ln -sf /usr/local/bin/pip3.12 /usr/local/bin/pip3

# ===================== 第二阶段：构建最终应用镜像 =====================
FROM centos:xnyV1.3

# 1. 从 Python 构建阶段复制环境
COPY --from=python-builder /usr/local/ /usr/local/

# 2. 修复共享库链接
RUN ldconfig && \
    ln -sf /usr/local/bin/python3.12 /usr/local/bin/python3 && \
    ln -sf /usr/local/bin/pip3.12 /usr/local/bin/pip3

# 3. 安装 MongoDB
RUN echo -e "[mongodb-org-6.0]\n\
name=MongoDB Repository\n\
baseurl=https://repo.mongodb.org/yum/redhat/7/mongodb-org/6.0/x86_64/\n\
gpgcheck=1\n\
enabled=1\n\
gpgkey=https://www.mongodb.org/static/pgp/server-6.0.asc" \
    > /etc/yum.repos.d/mongodb-org-6.0.repo && \
    yum install -y mongodb-org && \
    mkdir -p /data/db && chown mongod:mongod /data/db

# 4. 设置工作目录并复制应用代码
WORKDIR /app
COPY ./app/ .

# 5. 安装 Python 依赖
COPY app/requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# 6. 启动脚本（同时启动 MongoDB 和 Python 应用）
CMD ["sh", "-c", "mongod --fork --logpath /var/log/mongodb.log"]