本文主要介绍了使用Docker部署Spring Boot项目的实现步骤,文中通过示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文主要介绍了使用Docker部署Spring Boot项目的实现步骤,文中通过示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文主要介绍了使用Docker部署Spring Boot项目的实现步骤,文中通过示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
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<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.10.RELEASE</version></parent> |
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<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency></dependencies> |
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@RestControllerpublic class DockerController { @RequestMapping("/hello") public String hello() { return "hello,nihao"; }} |
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@SpringBootApplicationpublic class DockerApplication { public static void main(String[] args) { SpringApplication.run(DockerApplication.class, args); }} |
添加完毕后启动项目,启动成功后浏览器访问:http://localhost:8080/hello,页面返回:hello,nihao,说明 Spring Boot 项目配置正常。
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[root@jiangwang springbootDemo]# lsdemo-0.0.1-SNAPSHOT.jar Dockerfile[root@jiangwang springbootDemo]# java -jar demo-0.0.1-SNAPSHOT.jar . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.2.10.RELEASE)2021-03-18 14:49:18.241 INFO 12886 --- [ main] com.example.demo.DemoApplication : Starting DemoApplication v0.0.1-SNAPSHOT on jiangwang with PID 12886 (/home/springbootDemo/demo-0.0.1-SNAPSHOT.jar started by root in /home/springbootDemo)2021-03-18 14:49:18.244 INFO 12886 --- [ main] com.example.demo.DemoApplication : No active profile set, falling back to default profiles: default2021-03-18 14:49:19.924 INFO 12886 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)2021-03-18 14:49:19.938 INFO 12886 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]2021-03-18 14:49:19.938 INFO 12886 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.38]2021-03-18 14:49:20.013 INFO 12886 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2021-03-18 14:49:20.014 INFO 12886 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1657 ms2021-03-18 14:49:20.321 INFO 12886 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'2021-03-18 14:49:20.520 INFO 12886 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''2021-03-18 14:49:20.523 INFO 12886 --- [ main] com.example.demo.DemoApplication : Started DemoApplication in 2.899 seconds (JVM running for 3.369) |
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FROM java:8COPY *.jar /app.jarCMD ["--server.port=8080"]EXPOSE 8080ENTRYPOINT ["java","-jar","/app.jar"] |
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## 构建镜像[root@jiangwang springbootDemo]# docker build -t springboot-demo .Sending build context to Docker daemon 17.72MBStep 1/5 : FROM java:8 ---> d23bdf5b1b1bStep 2/5 : COPY *.jar /app.jar ---> f4d6aeabd3f0Step 3/5 : CMD ["--server.port=8080"] ---> Running in a6311f7cf7b5Removing intermediate container a6311f7cf7b5 ---> d8117b10cefaStep 4/5 : EXPOSE 8080 ---> Running in ae180be637bbRemoving intermediate container ae180be637bb ---> f16702c75ab6Step 5/5 : ENTRYPOINT ["java","-jar","/app.jar"] ---> Running in fafa00625666Removing intermediate container fafa00625666 ---> d4c3e225699dSuccessfully built d4c3e225699dSuccessfully tagged springboot-demo:latest |
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# 运行镜像[root@jiangwang springbootDemo]# docker run -d -p 39005:8080 --name my-springboot springboot-demo7ac35852cb91cb10612cd28fdbe7c50c7c59df4cccf19b2f1d30dcabbfe501f4[root@jiangwang springbootDemo]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES7ac35852cb91 springboot-demo "java -jar /app.jar …" 33 seconds ago Up 32 seconds 0.0.0.0:39005->8080/tcp my-springboot[root@jiangwang springbootDemo]# curl localhost:39005/hellohello,nihao[root@jiangwang springbootDemo]# |
这里你的外网39005端口首先要开放了,可以去安全组设置

说明使用 Docker 部署 Spring Boot 项目成功!
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原文链接:https://juejin.cn/post/6941155134026022920
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