創(chuàng)建一個(gè)簡單的springboot項(xiàng)目
一、在 pom.xml 中 ，使用 Spring Boot 2.2.10 相關(guān)依賴
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<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.10.RELEASE</version></parent> |
二、添加 web 和測(cè)試依賴
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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> |
三、創(chuàng)建一個(gè) DockerController，在其中有一個(gè)hello()方法，訪問時(shí)返回：hello,nihao
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@RestControllerpublic class DockerController { @RequestMapping("/hello") public String hello() { return "hello,nihao"; }} |
四、啟動(dòng)類
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@SpringBootApplicationpublic class DockerApplication { public static void main(String[] args) { SpringApplication.run(DockerApplication.class, args); }} |
添加完畢后啟動(dòng)項(xiàng)目，啟動(dòng)成功后瀏覽器訪問：http://localhost:8080/hello，頁面返回：hello,nihao，說明 Spring Boot 項(xiàng)目配置正常。
使用 Docker 部署 Spring Boot 項(xiàng)目
一、將項(xiàng)目打成jar包，拷貝到服務(wù)器上，測(cè)試一下
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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) |
二、看到 Spring Boot 的啟動(dòng)日志后表明環(huán)境配置沒有問題，編輯Dockerfile文件：
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FROM java:8COPY *.jar /app.jarCMD ["--server.port=8080"]EXPOSE 8080ENTRYPOINT ["java","-jar","/app.jar"] |
三、接下來我們使用 Dockerfile 構(gòu)建鏡像：
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## 構(gòu)建鏡像[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 |
四、運(yùn)行鏡像：
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# 運(yùn)行鏡像[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]# |
五、瀏覽器輸入外網(wǎng)網(wǎng)址訪問一下:
這里你的外網(wǎng)39005端口首先要開放了，可以去安全組設(shè)置
說明使用 Docker 部署 Spring Boot 項(xiàng)目成功！
到此這篇關(guān)于使用Docker部署Spring Boot項(xiàng)目的實(shí)現(xiàn)步驟的文章就介紹到這了,更多相關(guān)Docker部署Spring Boot內(nèi)容請(qǐng)搜索服務(wù)器之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持服務(wù)器之家！
原文鏈接：https://juejin.cn/post/6941155134026022920
