134 lines
3.5 KiB
Markdown
134 lines
3.5 KiB
Markdown
1、下载jdk/jre
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[官网下载地址](https://www.oracle.com/java/technologies/downloads/archive/) ，由于服务器上只需要java运行时环境，所以这里选择下载jre，如下图下载需要的对应的版本：
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2、删除jre中无用的文件
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```
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#解压
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tar -zxvf jre-8u202-linux-x64.tar.gz
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cd jre1.8.0_202
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#删除文本文件
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rm -rf COPYRIGHT LICENSE README release THIRDPARTYLICENSEREADME-JAVAFX.txt THIRDPARTYLICENSEREADME.txt Welcome.html
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#删除其他无用文件
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rm -rf lib/plugin.jar \
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lib/ext/jfxrt.jar \
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bin/javaws \
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lib/javaws.jar \
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lib/desktop \
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plugin \
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lib/deploy* \
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lib/*javafx* \
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lib/*jfx* \
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lib/amd64/libdecora_sse.so \
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lib/amd64/libprism_*.so \
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lib/amd64/libfxplugins.so \
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lib/amd64/libglass.so \
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lib/amd64/libgstreamer-lite.so \
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lib/amd64/libjavafx*.so \
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lib/amd64/libjfx*.so
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#将解压文件重新压缩
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tar -zcvf jre-8u202.tar.gz jre/
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```
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3、制作Dockerfile文件
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```
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# 使用CentOS 8作为基础镜像
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FROM centos:8
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# 维护者
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MAINTAINER author 小蚂蚁
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# 创建一个新目录来存储jdk文件
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RUN mkdir /usr/local/java
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# 将jdk压缩文件复制到镜像中，它将自动解压缩tar文件
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ADD jre-8u202.tar.gz /usr/local/java/
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# 设置时区
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RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
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# 设置环境变量
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ENV LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8
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ENV JAVA_HOME /usr/local/java/jre1.8.0_202
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ENV PATH $JAVA_HOME/bin:$PATH
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# VOLUME 指定了临时文件目录为/tmp
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# 其效果是在主机 /var/lib/docker 目录下创建了一个临时文件，并链接到容器的/tmp
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VOLUME /tmp
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# 工作目录
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WORKDIR /opt/
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```
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4、构建镜像
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```
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docker build -t jre:8u202-centos8 .
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```
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5、创建容器
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```
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docker run -it --name docker_jre8 jre:8u202-centos8
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```
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```
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docker run -i -t jre:8u202-centos8 /bin/bash
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查看版本：
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[root@3a881fab5716 opt]# java -version
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java version "1.8.0_202"
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Java(TM) SE Runtime Environment (build 1.8.0_202-b08)
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Java HotSpot(TM) 64-Bit Server VM (build 25.202-b08, mixed mode)
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```
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6、上传
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```
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# 打标签
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docker tag jre:8u202-centos8 192.168.10.101:8001/xiaomayi-base/jre:8u202-centos8
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# 上传镜像
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docker push 192.168.10.101:8001/xiaomayi-base/jre:8u202-centos8
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```
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特别备注：
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目标服务器非 root 用户权限问题解决:
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```
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WARNING! Using --password via the CLI is insecure. Use --password-stdin.
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permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post "http://%2Fvar%2Frun%2Fdocker.sock/v1.24/auth": dial unix /var/run/docker.sock: connect: permission denied
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permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post "http://%2Fvar%2Frun%2Fdocker.sock/v1.24/images/create?fromImage=manage.harbor.djangoadmin.cn%2Fxiaomayi%2Fxiaomayi-elevue&tag=dev-137": dial unix /var/run/docker.sock: connect: permission denied
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```
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解决办法：把我们当前的用户添加到docker组中就可以了；
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参考地址：https://blog.csdn.net/weixin_43321041/article/details/120399194
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chmod 666 /var/run/docker.sock
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或者
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权限问题：
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chmod 600 ~/.docker/config.json
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chmod 700 ~/.docker
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sudo chown $USER:$USER ~/.docker
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sudo chown $USER:$USER ~/.docker/config.json
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应用部署服务器需要设置docker配置：
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```
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vim /usr/lib/systemd/system/docker.service
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--insecure-registry manage.harbor.xiaomayicloud.com --insecure-registry 192.168.10.202:8001
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chmod 666 /var/run/docker.sock
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```
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