docker多阶段构建

一、介绍

通过多阶段构建可以将使用不同的环境构建可以区分dev、deploy等不同的环境，适用于强迫症患者。通过以下as某某某参数实现多步骤构建(as build中build仅为定义的名字，可以as zhangsan、as lisi等)

官方文档： https://docs.docker.com/develop/develop-images/multistage-build/

个人dockerfile参考文档： https://github.com/xiangys0134/Dockerfile

二、Dockerfile

#
# 描述: java基础编译镜像 jdk java-1.8.0-openjdk java-1.8.0-openjdk-devel apache-maven-3.35.2
#
# github：https://github.com/xiangys0134/Dockerfile/blob/master/dockerfile/XONE/Dockerfile_java_dev
#
# docker hub镜像地址：xiangys0134/xone-java-dev
#
FROM xiangys0134/xone-java-dev:v1.0.3 as build
LABEL maintainer="<yousong.xiang@xuncetech.com>" \
      name="rpmbuild" \
      author="yousong.xiang" \
      version="v1.0.1" \
      systemver="Centos7.5" \
      desc="xone_java devtoolset" \
      build-date="20190109"

# src/java基础代码
COPY src/java /tmp/src/java


# 编译XONE程序
RUN set -ex; \
    \
    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime; \
    source /root/.bashrc; \
    cd /tmp/src/java; \
    mvn clean compile verify -P production -Dmaven.test.skip=true; \
    cd ../..; \
    mkdir /data/XONE -p; \
    #cp -rf src/java/script/dbservice/*.sql /data/XONE/script; \
    mkdir -p /data/XONE/all_libs; \
    srvname=`ls src/java/services |grep -v "messaging" |grep -v "proxy-cms"`; \
    for srv in {srvname}; \
    do \
        cp -rf src/java/services/{srv}/target/xone-{srv}-[0-9]*.[0-9]*-SNAPSHOT-distribute/xone-{srv} /data/XONE/; \
        mv -f /data/XONE/xone-{srv}/lib/*.jar /data/XONE/all_libs/; \
        rm -rf /data/XONE/xone-{srv}/lib/; \
    done; \
    find /data/XONE/ -name "*.sh" |dos2unix; \
    srvname=`ls /data/XONE/ |grep -v "all_libs" |grep -v "sql_files" |grep -v "script"`; \
    for srv in {srvname}; \
    do \
        if [ -e /data/XONE/{srv}/lib ]; then \
            rm -rf /data/XONE/{srv}/lib; \
        fi; \
        ln -sf /data/XONE/all_libs /data/XONE/{srv}/lib; \
    done; \
    cd /tmp; \
    rm -rf /tmp/RPM; \
    rm -rf /tmp/conf; \
    rm -rf /tmp/src; \
    yum clean all



#
# 描述: java基础部署镜像 jdk java-1.8.0-openjdk java-1.8.0-openjdk-devel
#
# github：https://github.com/xiangys0134/Dockerfile/blob/master/dockerfile/XONE/Dockerfile_java_deploy
#
# docker hub镜像地址：xiangys0134/xone-java-depoy
#
FROM xiangys0134/xone-java-depoy:v1.0.3

COPY --from=build /data/XONE /data/XONE


RUN set -ex; \
   \
   ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime; \
   yum clean all


USER root

EXPOSE 9761 9762 9763 9766 9767 9768 9769 9781

VOLUME ["/data/XONE"]
WORKDIR /data

CMD ["/usr/sbin/init"]