将docker应用并发布到远程服务器

痛定思痛。 2023-07-03 10:41 5阅读 0赞

## 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][SpringBoot_docker]  
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][20200205162217699.png]  
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][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70]  
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][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70 1]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][SpringBoot_docker 1]  
![SpringBoot应用docker化并发布到远程服务器][SpringBoot_docker 2]打包完成以后，点击docker:build![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70 2]  
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 
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    f910a506b6cb: Pull complete 
    c2274a1a0e27: Downloading [>                                                  ]  524.5kB/70.73MB
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    c2274a1a0e27: Verifying Checksum 
    c2274a1a0e27: Download complete 
    c2274a1a0e27: Extracting [>                                                  ]  557.1kB/70.73MB
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    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][SpringBoot_docker 3]  
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][SpringBoot_docker 4]  
参考链接：  
[https://blog.csdn.net/lzp492782442/article/details/103082541][https_blog.csdn.net_lzp492782442_article_details_103082541]

[SpringBoot_docker]: https://img-blog.csdnimg.cn/20200205162100497.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[20200205162217699.png]: https://img-blog.csdnimg.cn/20200205162217699.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200205162352446.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200205162420242.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[SpringBoot_docker 1]: https://img-blog.csdnimg.cn/20200205162503382.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[SpringBoot_docker 2]: https://img-blog.csdnimg.cn/20200205162517254.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20200205162539172.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[SpringBoot_docker 3]: https://img-blog.csdnimg.cn/20200205162610276.png
[SpringBoot_docker 4]: https://img-blog.csdnimg.cn/20200205162648123.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW9rZWppbjUyMQ==,size_16,color_FFFFFF,t_70
[https_blog.csdn.net_lzp492782442_article_details_103082541]: https://blog.csdn.net/lzp492782442/article/details/103082541