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Docker-Docker部署SpringBoot项目
阅读量:460 次
发布时间:2019-03-06

本文共 14386 字,大约阅读时间需要 47 分钟。

1.手工方式

1.1.准备Springboot jar项目

将项目打包成jar

1.2.编写Dockerfile

FROM java:8VOLUME /tmpADD elk-web-1.0-SNAPSHOT.jar elk.jarEXPOSE 8080ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/elk.jar"]

FROM:表示基础镜像,即运行环境

VOLUME /tmp创建/tmp目录并持久化到Docker数据文件夹,因为Spring Boot使用的内嵌Tomcat容器默认使用/tmp作为工作目录
ADD:拷贝文件并且重命名(ADD elk-web-1.0-SNAPSHOT.jar elk.jar 将应用jar包复制到/elk.jar)
EXPOSE:并不是真正的发布端口,这个只是容器部署人员与建立image的人员之间的交流,即建立image的人员告诉容器布署人员容器应该映射哪个端口给外界
ENTRYPOINT:容器启动时运行的命令,相当于我们在命令行中输入java -jar xxxx.jar,为了缩短 Tomcat 的启动时间,添加java.security.egd的系统属性指向/dev/urandom作为 ENTRYPOINT

1.3.构建容器

[root@VM_0_15_centos elk]# docker build -t elk .Sending build context to Docker daemon 14.43 MBStep 1/5 : FROM java:8Trying to pull repository docker.io/library/java ... 8: Pulling from docker.io/library/java5040bd298390: Pull complete fce5728aad85: Pull complete 76610ec20bf5: Pull complete 60170fec2151: Pull complete e98f73de8f0d: Pull complete 11f7af24ed9c: Pull complete 49e2d6393f32: Pull complete bb9cdec9c7f3: Pull complete Digest: sha256:c1ff613e8ba25833d2e1940da0940c3824f03f802c449f3d1815a66b7f8c0e9dStatus: Downloaded newer image for docker.io/java:8 ---> d23bdf5b1b1bStep 2/5 : VOLUME /tmp ---> Running in 0aec2dc2f98c ---> a52e844f25d4Removing intermediate container 0aec2dc2f98cStep 3/5 : ADD elk-web-1.0-SNAPSHOT.jar elk.jar ---> 3ba2f4fddddaRemoving intermediate container 860a0f748a23Step 4/5 : EXPOSE 8080 ---> Running in 1d3331cc2be6 ---> e9ac33d26ce0Removing intermediate container 1d3331cc2be6Step 5/5 : ENTRYPOINT java -Djava.security.egd=file:/dev/./urandom -jar /elk.jar ---> Running in d354f8ee2af5 ---> 8937e1ade6c7Removing intermediate container d354f8ee2af5Successfully built 8937e1ade6c7

1.4.运行容器

docker run -di --name 容器名称 -p 8080:8080 镜像名称

其中-d表示后台运行容器,这也就自然地解决的Spring Boot不支持后台运行应用程序的问题。

-p 8080:8080表示将容器内部的8080端口映射到宿主机器的8080端口,这样就可以通过宿主机器直接访问应
用。
--name 给容器取一个容易记住的名字方便日后管理。

[root@VM_0_15_centos elk]# docker run -di --name myspringboot -p 8080:8080 8937e1ade6c704d6b2c347950a10c95a039c94a3e51d717e516dd8c3c742e3197687dfcf5523[root@VM_0_15_centos elk]# docker ps -aCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES04d6b2c34795        8937e1ade6c7        "java -Djava.secur..."   8 seconds ago       Up 7 seconds        0.0.0.0:8080->8080/tcp   myspringboot[root@VM_0_15_centos elk]#

1.5.查看运行日志

docker logs -f --tail=100 容器名称

[root@VM_0_15_centos elk]# docker logs -f --tail=100 04d6b2c34795  .   ____          _            __ _ _ /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/  ___)| |_)| | | | | || (_| |  ) ) ) )  '  |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot ::        (v1.5.4.RELEASE)2019-12-29 07:42:58.982  INFO 1 --- [           main] c.b.ElkExampleSpringBootApplication      : Starting ElkExampleSpringBootApplication v1.0-SNAPSHOT on 04d6b2c34795 with PID 1 (/elk.jar started by root in /)2019-12-29 07:42:58.999  INFO 1 --- [           main] c.b.ElkExampleSpringBootApplication      : No active profile set, falling back to default profiles: default2019-12-29 07:42:59.243  INFO 1 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@5a2e4553: startup date [Sun Dec 29 07:42:59 UTC 2019]; root of context hierarchy2019-12-29 07:43:03.652  INFO 1 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)2019-12-29 07:43:03.699  INFO 1 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]2019-12-29 07:43:03.714  INFO 1 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.152019-12-29 07:43:04.012  INFO 1 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext2019-12-29 07:43:04.012  INFO 1 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 4772 ms2019-12-29 07:43:04.449  INFO 1 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]2019-12-29 07:43:04.470  INFO 1 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]2019-12-29 07:43:04.470  INFO 1 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]2019-12-29 07:43:04.471  INFO 1 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]2019-12-29 07:43:04.471  INFO 1 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]2019-12-29 07:43:05.534  INFO 1 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@5a2e4553: startup date [Sun Dec 29 07:42:59 UTC 2019]; root of context hierarchy2019-12-29 07:43:05.765  INFO 1 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/exception]}" onto public java.lang.String com.bruceliu.controller.ELKController.exception()2019-12-29 07:43:05.766  INFO 1 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/elkdemo]}" onto public java.lang.String com.bruceliu.controller.ELKController.helloWorld()2019-12-29 07:43:05.772  INFO 1 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)2019-12-29 07:43:05.780  INFO 1 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity
> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)2019-12-29 07:43:05.869 INFO 1 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2019-12-29 07:43:05.869 INFO 1 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2019-12-29 07:43:05.984 INFO 1 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2019-12-29 07:43:06.387 INFO 1 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup2019-12-29 07:43:06.537 INFO 1 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)2019-12-29 07:43:06.562 INFO 1 --- [ main] c.b.ElkExampleSpringBootApplication : Started ElkExampleSpringBootApplication in 8.771 seconds (JVM running for 9.832)

1.6.访问测试

2.Docker远程连接并且使用idea一键部署

2.1.配置docker远程连接端口

首先编辑我们服务器上的docker文件

vim /usr/lib/systemd/system/docker.service

修改以ExecStart开头的行(centos 7):添加

-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock \

修改后保存文件,然后重启docker

systemctl daemon-reloadservice docker restart

重启之后测试远程连接是否正常,这里的2375是之前配置的端口

curl http://localhost:2375/version

看到返回信息基本上就没有问题了

[root@VM_0_15_centos elk]# curl http://localhost:2375/version{"Version":"1.13.1","ApiVersion":"1.26","MinAPIVersion":"1.12","GitCommit":"7f2769b/1.13.1","GoVersion":"go1.10.3","Os":"linux","Arch":"amd64","KernelVersion":"3.10.0-957.21.3.el7.x86_64","BuildTime":"2019-09-15T14:06:47.565778468+00:00","PkgVersion":"docker-1.13.1-103.git7f2769b.el7.centos.x86_64"}

然后开启端口,或者关闭防火墙,二者选其一即可

firewall-cmd --zone=public --add-port=2375/tcp --permanent
chkconfig iptables off

然后打开浏览器测试将之前的localhost修改为你的ip

2.2.使用idea连接到docker

首先下载docker插件,idea2019自带了docker插件。如果没有插件可以选择安装docker插件

然后配置docker地址,在你的File | Settings | Build, Execution, Deployment | Docker
配置完成链接之后,出现了框中的内容即可.
链接成功之后会列出容器和镜像!

配置阿里云镜像加速器:

2.3.docker-maven-plugin 介绍

在我们持续集成过程中,项目工程一般使用 Maven 编译打包,然后生成镜像,通过镜像上线,能够大大提供上线效率,同时能够快速动态扩容,快速回滚,着实很方便。docker-maven-plugin 插件就是为了帮助我们在Maven工程中,通过简单的配置,自动生成镜像并推送到仓库中。

pom.xml:

${project.artifactId}
org.springframework.boot
spring-boot-maven-plugin
true
org.apache.maven.plugins
maven-surefire-plugin
true
com.spotify
docker-maven-plugin
1.0.0
build-image
package
build
bruceliu/${project.artifactId}
latest
java
bruceliu@email.com
/ROOT
["java", "-version"]
["java", "-jar", "/${project.build.finalName}.jar"]
http://122.51.50.249:2375
/
${project.build.directory}
${project.build.finalName}.jar

执行Maven打包命令:

G:\softDevelopment\JDK8\bin\java -Dmaven.multiModuleProjectDirectory=E:\workspace2017\elk-web -Dmaven.home=E:\Maven20190910\apache-maven-3.6.1 -Dclassworlds.conf=E:\Maven20190910\apache-maven-3.6.1\bin\m2.conf "-javaagent:G:\idea2017\IntelliJ IDEA 2017.3.1\lib\idea_rt.jar=49260:G:\idea2017\IntelliJ IDEA 2017.3.1\bin" -Dfile.encoding=UTF-8 -classpath E:\Maven20190910\apache-maven-3.6.1\boot\plexus-classworlds-2.6.0.jar org.codehaus.classworlds.Launcher -Didea.version=2017.3.7 -s E:\Maven20190910\apache-maven-3.6.1\conf\settings.xml -Dmaven.repo.local=E:\Maven20190910\repository package[INFO] Scanning for projects...[WARNING] [WARNING] Some problems were encountered while building the effective model for com.bruceliu.elk.demo:elk-web:jar:1.0-SNAPSHOT[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.springframework.boot:spring-boot-maven-plugin @ line 36, column 21[WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.[WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects.[WARNING] [INFO] [INFO] -------------------< com.bruceliu.elk.demo:elk-web >--------------------[INFO] Building elk-web 1.0-SNAPSHOT[INFO] --------------------------------[ jar ]---------------------------------[INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ elk-web ---[INFO] Using 'UTF-8' encoding to copy filtered resources.[INFO] Copying 1 resource[INFO] Copying 0 resource[INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ elk-web ---[INFO] Changes detected - recompiling the module![INFO] Compiling 2 source files to E:\workspace2017\elk-web\target\classes[INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ elk-web ---[INFO] Using 'UTF-8' encoding to copy filtered resources.[INFO] skip non existing resourceDirectory E:\workspace2017\elk-web\src\test\resources[INFO] [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ elk-web ---[INFO] Nothing to compile - all classes are up to date[INFO] [INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ elk-web ---[INFO] Tests are skipped.[INFO] [INFO] --- maven-jar-plugin:2.6:jar (default-jar) @ elk-web ---[INFO] Building jar: E:\workspace2017\elk-web\target\elk-web.jar[INFO] [INFO] --- spring-boot-maven-plugin:1.5.4.RELEASE:repackage (default) @ elk-web ---[INFO] [INFO] --- docker-maven-plugin:1.0.0:build (build-image) @ elk-web ---[INFO] Using authentication suppliers: [ConfigFileRegistryAuthSupplier][INFO] Copying E:\workspace2017\elk-web\target\elk-web.jar -> E:\workspace2017\elk-web\target\docker\elk-web.jar[INFO] Building image bruceliu/elk-webStep 1/6 : FROM java ---> d23bdf5b1b1bStep 2/6 : MAINTAINER bruceliu@email.com ---> Running in 787e4786fbd4 ---> 4d4519f52fdaRemoving intermediate container 787e4786fbd4Step 3/6 : WORKDIR /ROOT ---> f40dcbc9a9ebRemoving intermediate container 7fa6bbc9d1dfStep 4/6 : ADD /elk-web.jar // ---> c7f1107ae3d4Removing intermediate container f370558f1a38Step 5/6 : ENTRYPOINT java -jar /elk-web.jar ---> Running in e4480ced0829 ---> b634ca5fa5adRemoving intermediate container e4480ced0829Step 6/6 : CMD java -version ---> Running in cc6a064ef921 ---> cf9a5d50326bRemoving intermediate container cc6a064ef921Successfully built cf9a5d50326b[INFO] Built bruceliu/elk-web[INFO] Tagging bruceliu/elk-web with latest[INFO] ------------------------------------------------------------------------[INFO] BUILD SUCCESS[INFO] ------------------------------------------------------------------------[INFO] Total time:  10.329 s[INFO] Finished at: 2019-12-29T22:44:06+08:00[INFO] ------------------------------------------------------------------------Process finished with exit code 0

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