jenkins-docker-images/dockerfiles/jdk/17.0.16-centos8-dos/Dockerfile

# 使用 CentOS 8 作为基础镜像
FROM centos:8

# 维护者信息
LABEL maintainer="小蚂蚁云团队" \
      description="JDK 17 on CentOS 8 with Chinese support" \
      version="1.0"

# 设置环境变量
ENV LANG zh_CN.UTF-8
ENV LC_ALL zh_CN.UTF-8
ENV JAVA_HOME /opt/jdk-17.0.16
ENV PATH $JAVA_HOME/bin:$PATH
ENV CLASSPATH .:$JAVA_HOME/lib/jrt-fs.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

# 设置工作目录
WORKDIR /tmp

# 备份并替换 yum 源（解决 CentOS 8 EOL 问题）
RUN cd /etc/yum.repos.d/ && \
    # 备份原有 repo 文件
    rename '.repo' '.repo.bak' /etc/yum.repos.d/*.repo && \
    # 安装阿里云的 CentOS 8 归档镜像源
    curl -s -o /etc/yum.repos.d/Centos-vault-8.5.2111.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo && \
    # 启用阿里云仓库并禁用官方仓库
    sed -i 's|^mirrorlist=|#mirrorlist=|g' /etc/yum.repos.d/Centos-*.repo && \
    sed -i 's|^#baseurl=http://mirror.centos.org|baseurl=https://mirrors.aliyun.com|g' /etc/yum.repos.d/Centos-*.repo && \
    sed -i 's|^baseurl=http://mirror.centos.org|baseurl=https://mirrors.aliyun.com|g' /etc/yum.repos.d/Centos-*.repo && \
    # 确保仓库启用
    sed -i 's|^enabled=.*|enabled=1|g' /etc/yum.repos.d/Centos-*.repo

# 安装基础软件包和中文支持，并一次性清理缓存
RUN yum install -y \
        fontconfig \
        glibc-langpack-zh \
        glibc-locale-source \
        glibc-common && \
        # yum-utils \
        # net-tools \
        # vim \
        # curl && \
    # 设置中文语言环境
    localedef -c -f UTF-8 -i zh_CN zh_CN.utf8 && \
    localedef -c -f UTF-8 -i C UTF-8 && \
    # 设置系统locale
    echo 'LANG="zh_CN.UTF-8"' > /etc/locale.conf && \
    echo 'LC_ALL="zh_CN.UTF-8"' >> /etc/locale.conf && \
    # 创建字体目录
    mkdir -p /usr/share/fonts/ && \
    chmod 755 /usr/share/fonts/ && \
    # 清理yum缓存
    yum clean all && \
    rm -rf /var/cache/yum && \
    yum makecache

# 复制字体文件
RUN mkdir -p /usr/share/fonts
COPY ./fonts/ /usr/share/fonts/

# 更新字体缓存并设置时区
RUN fc-cache -fv && \
    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo 'Asia/Shanghai' > /etc/timezone

# # 安装 JDK
# WORKDIR /usr/local
# ADD jdk-17.0.16_linux-x64_bin.tar.gz /usr/local/

# # 验证 JDK 安装
# RUN ln -sf ${JAVA_HOME} /usr/local/jdk-17.0.16 && \
#     java -version && \
#     javac -version

# 添加并精简 JDK
ADD jdk-17.0.16_linux-x64_bin.tar.gz /opt/

# 精简JDK：删除不必要的文件
RUN set -eux && \
    # 重命名JDK目录
    mv /opt/jdk-17.0.16 /opt/jdk-17.0.16-original && \
    \
    # 创建新的精简JDK目录
    mkdir -p /opt/jdk-17.0.16 && \
    \
    # 保留必要的目录和文件
    cp -r /opt/jdk-17.0.16-original/bin /opt/jdk-17.0.16/ && \
    cp -r /opt/jdk-17.0.16-original/lib /opt/jdk-17.0.16/ && \
    cp -r /opt/jdk-17.0.16-original/conf /opt/jdk-17.0.16/ && \
    cp -r /opt/jdk-17.0.16-original/include /opt/jdk-17.0.16/ && \
    \
    # 删除调试文件（使用通配符）
    rm -rf  /opt/jdk-17.0.16/lib/*.diz \
            /opt/jdk-17.0.16/lib/*/*.diz \
            /opt/jdk-17.0.16/lib/*/*/*.diz \
            /opt/jdk-17.0.16/lib/*.debuginfo \
            /opt/jdk-17.0.16/lib/*/*.debuginfo \
            /opt/jdk-17.0.16/lib/*/*/*.debuginfo \
            /opt/jdk-17.0.16/lib/*.pdb \
            /opt/jdk-17.0.16/lib/*/*.pdb \
            /opt/jdk-17.0.16/lib/*/*/*.pdb && \
    \
    # 删除不必要的模块和文件
    rm -rf /opt/jdk-17.0.16/lib/src.zip \
           /opt/jdk-17.0.16/lib/missioncontrol \
           /opt/jdk-17.0.16/lib/visualvm \
           /opt/jdk-17.0.16/lib/jfr \
           /opt/jdk-17.0.16/lib/security/cacerts.dummy \
           \
           # 删除演示和样例
           /opt/jdk-17.0.16-original/demo \
           /opt/jdk-17.0.16-original/sample \
           /opt/jdk-17.0.16-original/man \
           \
           # 删除文档
           /opt/jdk-17.0.16-original/legal \
           /opt/jdk-17.0.16-original/README.md \
           /opt/jdk-17.0.16-original/release && \
    \
    # 删除原始JDK目录
    rm -rf /opt/jdk-17.0.16-original && \
    \
    # 设置权限
    chmod -R 755 /opt/jdk-17.0.16 && \
    chown -R root:root /opt/jdk-17.0.16 &&\
    \
    # 验证JDK安装
    /opt/jdk-17.0.16/bin/java -version && \
    /opt/jdk-17.0.16/bin/javac -version

# 清理临时文件和缓存
RUN rm -rf /tmp/* /var/tmp/* /var/log/*log /var/log/nginx/*log \
    /var/log/*.log /var/log/dmesg /var/log/audit/*log \
    /root/.cache /*.repo.bak

# 创建非 root 用户运行应用
RUN groupadd -r esxi && \
    useradd -r -g esxi -m -d /app esxi && \
    chown -R esxi:esxi /app && \
    # 设置JDK目录权限
    chown -R esxi:esxi $JAVA_HOME


# 设置最终工作目录
WORKDIR /app

# 切换到非root用户
#USER esxi

# 健康检查（可选）
# HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
#     CMD java -version || exit 1

# 默认命令
CMD ["java", "-version"]