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生产级别Dockerfile制作过程

程序员文章站 2022-03-17 14:15:51
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Dockerfile生产实践

背景介绍

因公司推进java11版本升级（默认支持容器），故小组制作了操作系统、java8和java11基础镜像。制作过程使用了一系列优化做法，涵盖缩短构建时间、制作更小更安全镜像等问题，旨在提升构建镜像效率和质量，并使其在容器云平台上更好地运行。重点解决了Dockerfile编写过程中，经常遇到的以下四个问题：

  1. 需要准确控制docker镜像内的内容，如语言和时区设置等；
  2. 需要严格控制生产环境中的漏洞，使用clair扫描基础镜像；
  3. 不希望依赖外部代码库，已替换为国内阿里yum或apk源；
  4. 需要在每个镜像中使用相同的基本操作系统，给出了alpine3和centos7基础镜像。

经过镜像大小、安全和性能等多方面测试，小组发布了基础镜像版本v2.0.0：

  1. base-alpine 基础镜像 ContainerRegistry/library/base-alpine:3.11.3
  2. base-centos基础镜像 ContainerRegistry/library/base-centos:7.7.1908
  3. java11-alpine 开发镜像 ContainerRegistry/library/java-alpine:11.0.5-3.11.3
  4. java11-centos 开发镜像 ContainerRegistry/library/java-centos:11.0.6-7.7.1908
  5. java8-alpine 开发镜像 ContainerRegistry/library/java-alpine:1.8.0-3.11.3
  6. java8-centos 开发镜像 ContainerRegistry/library/java-centos:1.8.0-7.7.1908

附件给出了基础镜像制作过程，包含Dockerfile文件和执行的docker客户端命令等。各个产品根据自身的需要，来制作相应的应用镜像。基础镜像使用说明: stage1-os的base-alpine 基础镜像和base-centos基础镜像， 生产可用; stage2-sdk的java11和java8开发镜像， 如果1.8.0/11.0.5/11.0.6能满足业务需求，可以不用修改; stage3和stage4的dockerfile，需要根据业务特点修改。

使用示例

前提条件：

1.安装18.06.1-ce以上版本 docker容器引擎；
2.登录私有镜像仓库 docker login ContainerRegistry；
3.熟悉基本的docker命令和k8s部署流程。

案例情景：

比如研发A按照公司的需求，改用java11制作了jar包，想制作docker镜像，请问怎样使用上述基础镜像？

解决方案:
a.新建一个文件夹，将java11制作的jar包、目录stage4-app中的Dockerfile.noah-java11-alpine和start-11.sh复制到该文件夹；
b.根据实际情况，修改Dockerfile.noah-java11-alpine中的镜像元数据、环境变量和默认命令等信息；
c.制作docker镜像，使用docker build -f Dockerfile.noah-java11-centos -t image-name。其中，image-name镜像命名规则建议使用语义版本控制进行标记；
d.测试镜像，先使用docker run -m 4GB -it image-name /bin/bash进入容器，后./start-11.sh启动应用。

制作过程

stage1-os: 操作系统Dockerfile.base-alpine

  1. Dockerfile.base-alpine
FROM  ContainerRegistry/library/alpine-official:3.11.3

# 镜像元数据
LABEL name="Alpine base image" \
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A Alpine base image to be used in simple-cloud apps"

# 语言环境和时区变量
ENV LANG='zh_CN.UTF-8' LANGUAGE='zh_CN:zh' LC_ALL='zh_CN.UTF-8' TZ='Asia/Shanghai'

# 因Java是基于GUN Standard C library(glibc),而Alpine基于MUSL libc(mini libc),故Alpine需要安装glibc的库
COPY glibc/ /

# 安装Alphine库依赖
RUN set -eux \
    && echo "https://mirrors.aliyun.com/alpine/v3.11/main" > /etc/apk/repositories \
    && echo "https://mirrors.aliyun.com/alpine/v3.11/community" >> /etc/apk/repositories \
    && echo "https://mirrors.aliyun.com/alpine/edge/testing" >> /etc/apk/repositories \
    && apk update \
    && apk add --no-cache bash tzdata \
    && mv /sgerrand.rsa.pub /etc/apk/keys/ \
    #wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub && \
    #wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.30-r0/glibc-2.30-r0.apk && \
    #wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.30-r0/glibc-bin-2.30-r0.apk && \
    #wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.30-r0/glibc-i18n-2.30-r0.apk && \
    && apk add glibc-2.30-r0.apk glibc-bin-2.30-r0.apk glibc-i18n-2.30-r0.apk \
    && rm -f /*.apk \
    && rm -rf /var/cache/apk/* \
    && rm -rf /glibc-* 

# 设置语言和时区
RUN set -eux \
    && echo -e "en_US\nzh_CN"  | xargs -i /usr/glibc-compat/bin/localedef -i {} -f UTF-8 {}.UTF-8 \
    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "${TZ}" > /etc/timezone \
    && echo "LANG=${LANG}" >> /etc/profile \
    && echo "LANGUAGE=${LANGUAGE}" >> /etc/profile \
    && echo "LC_ALL=${LC_ALL}" >> /etc/profile \
    && source /etc/profile \
    && rm -rf /tmp/*

# 创建devops用户, 默认为root用户(id=0)
RUN set -eux \
    #wget -O /usr/local/bin/tini https://github.com/krallin/tini/releases/download/v0.18.0/tini && \
    && mv /tini /usr/local/bin/ \
    && addgroup -g 10001 -S devops \
    && adduser devops -u 10001 -D -S -s /bin/bash -G devops \
    && chmod -R +x /usr/local/bin \
    && chgrp -R 0 /usr/local/bin/ \        
    && chmod -R g=u /usr/local/bin /opt \
    && sed -i '/^root/c\root:x:0:0:root:/root:/bin/bash' /etc/passwd \
    && sed -i '/^root/c\root:$6$mphzPBXa$3tePoCmOUiRIzOoujeFwjjznQ94LBa6j2k5CHcPiiL2ywVwJ/c8QiqtbKAU2ntbHB2yPcDK2ZDr49GGT1HXkI/:18307:0:99999:7:::' /etc/shadow \
    && sed -i '/^devops/c\devops:$6$n5wOC3GI$Go4jmLorMs9PcJidDtBmH.D4KUoAgg9TTuGRD25/mwztpje0I9jjaENU9xFepnONW/UmAyUX9Fxv52DsKRq5O.:18307:0:99999:7:::' /etc/shadow

# 切换到非root用户 
# USER 10001

# 可传递参数来覆盖默认命令
CMD ["bash"]
  1. Dockerfile.base-centos
# 镜像元数据
LABEL name="X.L.Xia CentOS base image" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A CentOS base image to be used in simple-cloud apps" 

# 语言环境变量
ENV LANG='zh_CN.UTF-8' LANGUAGE='zh_CN:zh' LC_ALL='zh_CN.UTF-8' TZ='Asia/Shanghai'

# 安装centos7库依赖
RUN set -eux \
    && yum install -y wget \
    && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo \
    && wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo \
    && wget -O /etc/yum.repos.d/CentOS7-Base-163.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo \
    && yum update -y \
    && yum install -y kde-l10n-Chinese \
    && yum -y reinstall glibc-common \
    && yum clean all \
    && rm -rf /tmp/* \
    && rm -rf /var/cache/yum/*

# 设置语言和时区
RUN set -eux \
    && localedef -c -f UTF-8 -i zh_CN zh_CN.UTF-8 \
    && echo "export LANG=${LANG}" >> /etc/locale.conf \
    && ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo '${TZ}' > /etc/timezone

# 创建devops用户, 默认为root用户(id=0)
RUN set -ex \
    && wget -O /usr/local/bin/tini https://github.com/krallin/tini/releases/download/v0.18.0/tini \
    && groupadd --gid 10001 devops \
    && useradd --uid 10001 --gid devops --shell /bin/bash --create-home devops \
    && chmod -R +x /usr/local/bin \
    && chgrp -R 0 /usr/local \        
    && chmod -R g=u /usr/local/bin /opt \
    && sed -i '/^root/c\root:$6$mphzPBXa$3tePoCmOUiRIzOoujeFwjjznQ94LBa6j2k5CHcPiiL2ywVwJ/c8QiqtbKAU2ntbHB2yPcDK2ZDr49GGT1HXkI/:18307:0:99999:7:::' /etc/shadow \
    && sed -i '/^devops/c\devops:$6$n5wOC3GI$Go4jmLorMs9PcJidDtBmH.D4KUoAgg9TTuGRD25/mwztpje0I9jjaENU9xFepnONW/UmAyUX9Fxv52DsKRq5O.:18307:0:99999:7:::' /etc/shadow

# 切换到非root用户 
# USER 10001

# 可传递参数来覆盖默认命令
CMD ["bash"]
[aaa@qq.com stage1-os]# ls
Dockerfile.base-alpine  Dockerfile.base-centos  glibc
[aaa@qq.com stage1-os]# cat Dockerfile.base-centos 
FROM hub.tech.21cn.com/addons/centos-official:7.7.1908

# 镜像元数据
LABEL name="X.L.Xia CentOS base image" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A CentOS base image to be used in simple-cloud apps" 

# 语言环境变量
ENV LANG='zh_CN.UTF-8' LANGUAGE='zh_CN:zh' LC_ALL='zh_CN.UTF-8' TZ='Asia/Shanghai'

# 安装centos7库依赖
RUN set -eux \
    && yum install -y wget \
    && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo \
    && wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo \
    && wget -O /etc/yum.repos.d/CentOS7-Base-163.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo \
    && yum update -y \
    && yum install -y kde-l10n-Chinese \
    && yum -y reinstall glibc-common \
    && yum clean all \
    && rm -rf /tmp/* \
    && rm -rf /var/cache/yum/*

# 设置语言和时区
RUN set -eux \
    && localedef -c -f UTF-8 -i zh_CN zh_CN.UTF-8 \
    && echo "export LANG=${LANG}" >> /etc/locale.conf \
    && ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo '${TZ}' > /etc/timezone

# 创建devops用户, 默认为root用户(id=0)
RUN set -ex \
    && wget -O /usr/local/bin/tini https://github.com/krallin/tini/releases/download/v0.18.0/tini \
    && groupadd --gid 10001 devops \
    && useradd --uid 10001 --gid devops --shell /bin/bash --create-home devops \
    && chmod -R +x /usr/local/bin \
    && chgrp -R 0 /usr/local \        
    && chmod -R g=u /usr/local/bin /opt \
    && sed -i '/^root/c\root:$6$mphzPBXa$3tePoCmOUiRIzOoujeFwjjznQ94LBa6j2k5CHcPiiL2ywVwJ/c8QiqtbKAU2ntbHB2yPcDK2ZDr49GGT1HXkI/:18307:0:99999:7:::' /etc/shadow \
    && sed -i '/^devops/c\devops:$6$n5wOC3GI$Go4jmLorMs9PcJidDtBmH.D4KUoAgg9TTuGRD25/mwztpje0I9jjaENU9xFepnONW/UmAyUX9Fxv52DsKRq5O.:18307:0:99999:7:::' /etc/shadow

# 切换到非root用户 
# USER 10001

# 可传递参数来覆盖默认命令
CMD ["bash"]

stage2-sdk: 开发环境

  1. Dockerfile.java11-alpine
FROM  ContainerRegistry/library/base-alpine:3.11.3 

# 镜像元数据
LABEL name="Java image on Alpine" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A Java11 image based on Alpine" 

# 环境变量
ENV JAVA_VERSION="11.0.5" \
    JAVA_HOME="/usr/lib/jvm/java-11-openjdk" \
    PATH="/usr/lib/jvm/java-11-openjdk/bin:$PATH"

# 安装openjdk开发环境
RUN set -eux \
    && apk update \
    && apk add --no-cache openjdk11 \
    && rm -rf /var/cache/apk/* \
    && rm -rf /tmp/* \
    && javac -version \
    && java -version
  1. Dockerfile.java11-centos
FROM  ContainerRegistry/library/base-centos:7.7.1908 

# 镜像元数据
LABEL name="Java image on CentOS" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A Java11 image based on CentOS" 

# 环境变量
ENV JAVA_VERSION="11.0.6" \
    JAVA_HOME="/etc/alternatives/java_sdk_11" \
    PATH="/etc/alternatives/java_sdk_11/bin:$PATH"

# 安装openjdk开发环境
RUN yum update -y \
    && yum install -y java-11-openjdk java-11-openjdk-devel \
    && yum clean all \
    && rm -rf /tmp/* \
    && rm -rf /var/cache/yum/* \
    && javac -version \
    && java -version

stage3-cmd:中间件层

  1. Dockerfile.resin-java11-alpine
FROM  ContainerRegistry/library/java-alpine:11.0.5-3.11.3

# 镜像元数据
LABEL name="Base image with Caucho Resin running on OpenJDK 11" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A Resin image based on OpenJDK 11" 

# 使用ADD解压resin-4.0.64.tar.gz到docker镜像的/opt目录
ADD resin-4.0.64.tar.gz /opt/

# 环境变量
ENV RESIN_HOME=/opt/resin-4.0.64 \
    PATH="/opt/resin/bin:$PATH"

# 安装resin-4.0.64
RUN set -eux \
    && java -jar ${RESIN_HOME}/lib/resin.jar version
  1. Dockerfile.resin-java11-centos
FROM ContainerRegistry/library/java-centos:11.0.6-7.7.1908 

# 镜像元数据
LABEL name="Base image with Caucho Resin running on OpenJDK 11" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1" \
      summary="A Resin image based on OpenJDK 11" 

# 复制文件
#COPY resin-pro-4.0.64-1.x86_64.rpm /tmp/
#COPY mysql-connector-java-5.1.38.zip /var/resin/webapp-jars/
# 使用ADD解压resin-4.0.64.tar.gz到docker镜像的/opt目录
ADD resin-4.0.64.tar.gz /opt/
 
# 环境变量
#ENV RESIN_HOME=/usr/local/share/resin \
#    PATH="/usr/local/share/resin/bin:$PATH"
ENV RESIN_HOME=/opt/resin-4.0.64 \
    PATH="/opt/resin/bin:$PATH"

# 安装resin-4.0.64
#RUN set -eux \
#    && yum localinstall -y /tmp/resin-pro-4.0.64-1.x86_64.rpm \
#    && yum clean all \
#    && rm -f /tmp/resin-pro-4.0.64-1.x86_64.rpm \
#    #因-d64在java10中已经被移除, 故resinctl会报Unrecognized option: -d64异常
#    #&& resinctl version
#    && java -jar ${RESIN_HOME}/lib/resin.jar version
# 安装resin-4.0.64
RUN set -eux \
    && java -jar ${RESIN_HOME}/lib/resin.jar version

#  MySQL JDBC driver Connector/J依赖
#RUN set -eux; \
#    cd /var/resin/webapp-jars; \
#    yum -y install unzip; \
#    yum clean all; \
#    unzip -j mysql-connector-java-5.1.38.zip mysql-connector-java-5.1.38/mysql-connector-java-5.1.38-bin.jar; \
#    rm mysql-connector-java-5.1.38.zip;

stage4-app: 应用代码

  1. Dockerfile.noah-java11-alpine
FROM  ContainerRegistry/library/java-alpine:11.0.5-3.11.3

# 镜像元数据
LABEL name="Test image running on OpenJDK 11" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1.0.0" \
      summary="A Noah image based on OpenJDK 11" 

# 环境变量
ENV APP_NAME="noah" \
    APP_HOME="/data/addons/noah" 

# 设置工作目录
WORKDIR ${APP_HOME}/

# 复制文件到工作目录
COPY release/ .

# 入口点使用tini初始系统, 以防止产生僵尸进程
ENTRYPOINT ["tini", "--"] 

# 容器在运行时侦听指定的网络端口
EXPOSE 8000/tcp

# 可传递参数来覆盖默认命令
CMD ["sh","start-11.sh"]
  1. Dockerfile.noah-java11-centos
FROM  ContainerRegistry/library/java-centos:11.0.6-7.7.1908

# 镜像元数据
LABEL name="Test image running on OpenJDK 11" \    
      maintainer="X.L.Xia" \
      vendor="X.L.Xia" \
      release="1.0.0" \
      summary="A Noah image based on OpenJDK 11" 

# 环境变量
ENV APP_NAME="noah" \
    APP_HOME="/data/addons/noah" 

# 设置工作目录
WORKDIR ${APP_HOME}/

# 复制文件到工作目录
COPY release/ .

# 入口点使用tini初始系统, 以防止产生僵尸进程
ENTRYPOINT ["tini", "--"] 

# 容器在运行时侦听指定的网络端口
EXPOSE 8000/tcp

# 可传递参数来覆盖默认命令
CMD ["sh","start-11.sh"]
  1. start-11.sh
#!/bin/bash
set -eux
# pinpoint动态链路跟踪参数配置
: ${NODE:="${HOSTNAME##*.}"}
: ${APP_NAME:="noah"}
: ${APP_VERSION:="v1.0.0"}
: ${APP_HOME:=$(cd `dirname $0`; pwd)}
: ${PROJECT_NAME:="genesis"}
: ${UUID:=$(cat /proc/sys/kernel/random/uuid)}
: ${POD_IP:="127.0.0.1"}
: ${dtraceName:=${NODE}-${PROJECT_NAME}-${APP_NAME}}
: ${agentId:=${POD_IP}}
: ${pingpointPath:=${APP_HOME}/dtrace/dtrace-bootstrap-2.2.0.jar}

# 日志目录
mkdir -p ${APP_HOME}/logs

# dtrace提示
#echo -e "The following was configured on pinpoint: \nagentId=${agentId} \ndtraceName=${dtraceName} \npingpointPath=${pingpointPath}" > ${APP_HOME}/logs/${APP_NAME}-pinpoint-agent.log 

# java11启动参数配置示例(resources.limits.cpu=2,resources.limits.memory=4Gi ) 
# dtrace-bootstrap-2.2.0.jar不支持java11
#java -javaagent:${pingpointPath}\
#     -Ddtrace.applicationName=${dtraceName}\
#     -Ddtrace.agentId=${agentId}\
java -XX:ActiveProcessorCount=2\
     -Xmx2688M\
     -Xms2688M\
     -Xmn960M\
     -XX:MaxMetaspaceSize=256M\
     -XX:MetaspaceSize=256M\
     -XX:ReservedCodeCacheSize=128M\
     -XX:MaxDirectMemorySize=512M\
     -XX:SurvivorRatio=10\
     -XX:ParallelGCThreads=2\
     -Xlog:gc:${APP_HOME}/logs/gc.log:time,level,tags\
     -XX:+HeapDumpOnOutOfMemoryError\
     -XX:HeapDumpPath=${APP_HOME}/logs/java.hprof\
     -XX:+CMSScavengeBeforeRemark\
     -XX:CMSMaxAbortablePrecleanTime=5000\
     -XX:+CMSClassUnloadingEnabled\
     -XX:CMSInitiatingOccupancyFraction=80\
     -XX:+UseCMSInitiatingOccupancyOnly\
     -XX:+ExplicitGCInvokesConcurrent\
     -XX:-UsePerfData\
     -XshowSettings:vm\
     -jar ${APP_HOME}/${APP_NAME}-${APP_VERSION}.jar
  1. start-8.sh
#!/bin/bash
set -eux
# pinpoint动态链路跟踪参数配置
: ${NODE:="${HOSTNAME##*.}"}
: ${APP_NAME:="noah"}
: ${APP_VERSION:="v1.0.0"}
: ${APP_HOME:=$(cd `dirname $0`; pwd)}
: ${PROJECT_NAME:="genesis"}
: ${UUID:=$(cat /proc/sys/kernel/random/uuid)}
: ${POD_IP:="127.0.0.1"}
: ${dtraceName:=${NODE}-${PROJECT_NAME}-${APP_NAME}}
: ${agentId:=${POD_IP}}
: ${pingpointPath:=${APP_HOME}/dtrace/dtrace-bootstrap-2.2.0.jar}

# gc日志目录
mkdir -p ${APP_HOME}/logs

# dtrace提示
echo -e "The following was configured on pinpoint: \nagentId=${agentId} \ndtraceName=${dtraceName} \npingpointPath=${pingpointPath}" > ${APP_HOME}/logs/${APP_NAME}-pinpoint-agent.log 

# java-1.8.0启动参数配置示例(resources.limits.cpu=2,resources.limits.memory=4Gi ) 
java -javaagent:${pingpointPath}\
     -Ddtrace.applicationName=${dtraceName}\
     -Ddtrace.agentId=${agentId}\
     -XX:ActiveProcessorCount=2\
     -Xmx2688M\
     -Xms2688M\
     -Xmn960M\
     -XX:MaxMetaspaceSize=256M\
     -XX:MetaspaceSize=256M\
     -XX:ReservedCodeCacheSize=128M\
     -XX:MaxDirectMemorySize=512M\
     -XX:SurvivorRatio=10\
     -XX:ParallelGCThreads=2\
     -XX:+UnlockExperimentalVMOptions\
     -XX:+UseCGroupMemoryLimitForHeap\
     -XX:+HeapDumpOnOutOfMemoryError\
     -XX:HeapDumpPath=${APP_HOME}/logs/java.hprof\
     -XX:+UseConcMarkSweepGC\
     -XX:+CMSScavengeBeforeRemark\
     -XX:CMSMaxAbortablePrecleanTime=5000\
     -XX:+CMSClassUnloadingEnabled\
     -XX:CMSInitiatingOccupancyFraction=80\
     -XX:+UseCMSInitiatingOccupancyOnly\
     -XX:+ExplicitGCInvokesConcurrent\
     -Xloggc:${APP_HOME}/logs/gc.log\
     -XX:+PrintGCDetails\
     -XX:+PrintGCDateStamps\
     -XX:-UsePerfData\
     -XshowSettings:vm\
     -jar ${APP_HOME}/${APP_NAME}-${APP_VERSION}.jar

执行命令

## stage1-os:操作系统
docker build -f Dockerfile.base-centos -t ContainerRegistry/library/base-centos:7.7.1908 .
docker build -f Dockerfile.base-alpine -t ContainerRegistry/library/base-alpine:3.11.3 .

## stage2-sdk:运行环境
docker build -f Dockerfile.java11-centos -t ContainerRegistry/library/java-centos:11.0.6-7.7.1908 .
docker build -f Dockerfile.java11-alpine -t ContainerRegistry/library/java-alpine:11.0.5-3.11.3 .
docker build -f Dockerfile.java8-centos -t ContainerRegistry/library/java-centos:1.8.0-7.7.1908 .
docker build -f Dockerfile.java8-alpine -t ContainerRegistry/library/java-alpine:1.8.0-3.11.3 .

## stage3-cmw:中间件
docker build -f Dockerfile.resin-java11-centos -t ContainerRegistry/library/resin-java-centos:4.0.64-11.0.6-7.7.1908 .
docker build -f Dockerfile.resin-java11-alpine -t ContainerRegistry/library/resin-java-alpine:4.0.64-11.0.5-3.11.3 .
docker build -f Dockerfile.resin-java8-centos -t ContainerRegistry/library/resin-java-centos:4.0.64-1.8.0-7.7.1908 .
docker build -f Dockerfile.resin-java8-alpine -t ContainerRegistry/library/resin-java-alpine:4.0.64-1.8.0-3.11.3 .

## stage4-app:应用
docker build -f Dockerfile.noah-java11-centos -t ContainerRegistry/trial/noah-java11-centos:v1.0.0 .
docker build -f Dockerfile.noah-java11-alpine -t ContainerRegistry/trial/noah-java11-alpine:v1.0.0 .
docker build -f Dockerfile.noah-java8-centos -t ContainerRegistry/trial/noah-java8-centos:v1.0.0 .
docker build -f Dockerfile.noah-java8-alpine -t ContainerRegistry/trial/noah-java8-alpine:v1.0.0 .

## 测试镜像
- a.docker run方式:先bash进入容器，后./start.sh-11或start-8.sh启动应用
docker run -m 4GB -it ContainerRegistry/trial/noah-java11-centos:v1.0.0 /bin/bash
docker run -m 4GB -it ContainerRegistry/trial/noah-java11-alpine:v1.0.0 /bin/bash
docker run -m 4GB -it ContainerRegistry/trial/noah-java8-centos:v1.0.0  /bin/bash
docker run -m 4GB -it ContainerRegistry/trial/noah-java8-alpine:v1.0.0  /bin/bash

- b.k8s yaml方式:先简云部署服务，后hey压测服务, 同时查看pinpoint链路跟踪和prometheus监控
hey -z 10s -c 50 -cpus 2 -host "noah-java11.alpine.com" http://xxx.xxx.xxx.xxx/healthz
hey -z 10s -c 50 -cpus 2 -host "noah-java11.centos.com" http://xxx.xxx.xxx.xxx/healthz
hey -z 10s -c 50 -cpus 2 -host "noah-java8.alpine.com" http://xxx.xxx.xxx.xxx/healthz
hey -z 10s -c 50 -cpus 2 -host "noah-java8.centos.com" http://xxx.xxx.xxx.xxx/healthz

最佳实践

生产级别Dockerfile制作过程

常见问题

生产级别Dockerfile制作过程

测试结果

生产级别Dockerfile制作过程

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