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：
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
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
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
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
打包完成以后，点击docker:build
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
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f910a506b6cb: Pull complete
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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。
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
参考链接：
https://blog.csdn.net/lzp492782442/article/details/103082541
