将docker应用并发布到远程服务器

docker开启远程访问接口docker得环境搭建这里就不重复了，还不会得可以自行去百度，也就几个命令。想要将本地镜像推送到阿里云得docker容器上，需要开启远程访问权限首先编辑docker的宿主机文件/lib/systemd/system/docker.servicevi /lib/systemd/system/docker.service修改以ExecStart开头的行,我这里是...

筱进GG

5419人浏览 · 2020-02-05 16:29:45

筱进GG · 2020-02-05 16:29:45 发布

docker开启远程访问接口

docker得环境搭建这里就不重复了，还不会得可以自行去百度，也就几个命令。

想要将本地镜像推送到阿里云得docker容器上，需要开启远程访问权限

首先编辑docker的宿主机文件/lib/systemd/system/docker.service

vi /lib/systemd/system/docker.service

修改以ExecStart开头的行,我这里是腾讯云服务器center os 7 ,修改后为：
SpringBoot应用docker化并发布到远程服务器
修改后保存文件，然后通知和重启服务

systemctl daemon-reload
service docker restart

可是执行 service docker restart 重启docker会报错查看：https://blog.csdn.net/hdu09075340/article/details/101060655
重启完成以后可以在本机验证，通过curl命令可以查看版本信息

curl http://localhost:2375/version

在这里插入图片描述
开启白名单，让客户端能够远程访问
我们在远程机器开启了端口，但是一般得云服务器都需要设置端口白名单才可以访问，具体设置端口白名单这里就不介绍了，设置完成以后，可以通过外网ip在windows机器浏览器进行访问
在这里插入图片描述
本地docker项目发布镜像到远程服务器
不以实战为目的得技术就是耍流氓，假设现在有个需求：作为码农得我开发了一个博客系统，现在开发完毕之后想部署到远程服务器上去。

传统部署方案
服务器上装jdk,装tomcat等—>项目打包->ftp上传->启动项目

docker部署方案
docker部署方案：项目集成docker插件->本地打包->项目构建镜像到远程机器->远程服务器下载镜像并启动

通过两套发布流程比较我们就能知道各自得优劣了，这里不再累赘，开始进行第二种方案实战！

首先进行本地环境变量配置
在这里插入图片描述如图，配置DOCKER_HOST得远程tcp连接。

将项目导入到idea里面，我们看看主要得docker相关配置

Dockerfile文件
FROM openjdk:8-jdk-alpine
VOLUME /tmp
ADD demo-1.0.0-SNAPSHOT.jar app.jar
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

maven依赖

<plugin>
     <groupId>com.spotify</groupId>
     <artifactId>docker-maven-plugin</artifactId>
     <version>1.0.0</version>
     <configuration>
         <imageName>${docker.image.prefix}/${project.artifactId}</imageName>
         <dockerDirectory>src/main/docker</dockerDirectory>
         <dockerHost>http://10.254.193.119:2375</dockerHost>
         <resources>
             <resource>
                 <targetPath>/</targetPath>
                 <directory>${project.build.directory}</directory>
                 <include>${project.build.finalName}.jar</include>
             </resource>
         </resources>
     </configuration>
 </plugin>

使用idea自带得docker插件进行构建镜像
首先对项目进行打包
SpringBoot应用docker化并发布到远程服务器
打包完成以后，点击docker:build 在这里插入图片描述
构建成功后日志如下：

D:\devsoft\Java\jdk1.8.0_121\bin\java.exe -Dmaven.multiModuleProjectDirectory=D:\Learning-materials\microservices\springcloud-greenwich-github\MicroservicesGreenwich\demo -Dmaven.home=D:\devsoft\apache-maven-3.5.0 -Dclassworlds.conf=D:\devsoft\apache-maven-3.5.0\bin\m2.conf "-Dmaven.ext.class.path=D:\Program Files\JetBrains\IntelliJ IDEA 2019.2\plugins\maven\lib\maven-event-listener.jar" "-javaagent:D:\Program Files\JetBrains\IntelliJ IDEA 2019.2\lib\idea_rt.jar=53271:D:\Program Files\JetBrains\IntelliJ IDEA 2019.2\bin" -Dfile.encoding=UTF-8 -classpath D:\devsoft\apache-maven-3.5.0\boot\plexus-classworlds-2.5.2.jar org.codehaus.classworlds.Launcher -Didea.version2019.2 -s D:\devsoft\apache-maven-3.5.0\conf\settings.xml com.spotify:docker-maven-plugin:1.0.0:build
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building demo 1.0.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- docker-maven-plugin:1.0.0:build (default-cli) @ demo ---
[INFO] Using authentication suppliers: [ConfigFileRegistryAuthSupplier]
[INFO] Copying D:\Learning-materials\microservices\springcloud-greenwich-github\MicroservicesGreenwich\demo\target\demo-1.0.0-SNAPSHOT.jar -> D:\Learning-materials\microservices\springcloud-greenwich-github\MicroservicesGreenwich\demo\target\docker\demo-1.0.0-SNAPSHOT.jar
[INFO] Copying src\main\docker\Dockerfile -> D:\Learning-materials\microservices\springcloud-greenwich-github\MicroservicesGreenwich\demo\target\docker\Dockerfile
[INFO] Building image demo-docker/demo
Step 1/4 : FROM openjdk:8-jdk-alpine

Pulling from library/openjdk
e7c96db7181b: Already exists 
f910a506b6cb: Pulling fs layer 
c2274a1a0e27: Pulling fs layer 
f910a506b6cb: Downloading [==================================================>]     238B/238B
f910a506b6cb: Verifying Checksum 
f910a506b6cb: Download complete 
f910a506b6cb: Extracting [==================================================>]     238B/238B
f910a506b6cb: Extracting [==================================================>]     238B/238B
f910a506b6cb: Pull complete 
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c2274a1a0e27: Verifying Checksum 
c2274a1a0e27: Download complete 
c2274a1a0e27: Extracting [>                                                  ]  557.1kB/70.73MB
c2274a1a0e27: Extracting [=>                                                 ]  1.671MB/70.73MB
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c2274a1a0e27: Extracting [==================================================>]  70.73MB/70.73MB
c2274a1a0e27: Pull complete 
Digest: sha256:94792824df2df33402f201713f932b58cb9de94a0cd524164a0f2283343547b3
Status: Downloaded newer image for openjdk:8-jdk-alpine
 ---> a3562aa0b991
Step 2/4 : VOLUME /tmp

 ---> Running in 9866501a71d4
Removing intermediate container 9866501a71d4
 ---> f4247134db56
Step 3/4 : ADD demo-1.0.0-SNAPSHOT.jar app.jar

 ---> 9fe41d8b6c79
Step 4/4 : ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

 ---> Running in 619d8b8027ef
Removing intermediate container 619d8b8027ef
 ---> 5567045a3623
ProgressMessage{id=null, status=null, stream=null, error=null, progress=null, progressDetail=null}
Successfully built 5567045a3623
Successfully tagged demo-docker/demo:latest
[INFO] Built demo-docker/demo
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 58.843 s
[INFO] Finished at: 2020-01-16T15:58:07+08:00
[INFO] Final Memory: 27M/459M
[INFO] ------------------------------------------------------------------------

此时我们登录远程机器，查看镜像是否发布上来。
SpringBoot应用docker化并发布到远程服务器
可以看到已经构建成镜像并上传到镜像仓库了，并且image id 都一致。那么此时已经大功告成了！镜像都有了，直接一条命令构建容器并启动就可以了！激动人心得时刻即将到来！

docker run -p 8181:8080 --name demo -d 5567045a3623

正常启动，查看项目允许日志

docker logs -f demo

SpringBoot应用docker化并发布到远程服务器
参考链接：
https://blog.csdn.net/lzp492782442/article/details/103082541

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