这篇文章主要介绍了docker部署springboot项目实例解析,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下
创建项目
pom.xml
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<?xml version=”1.0″ encoding=”UTF-8″?>
<project xmlns=”http://maven.apache.org/POM/4.0.0″ xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”
xsi:schemaLocation=”http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd”>
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.9.RELEASE</version>
<relativePath/> <!– lookup parent from repository –>
</parent>
<groupId>com.topcheer</groupId>
<artifactId>docker</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>docker</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<docker.image.prefix>topcheer</docker.image.prefix>
</properties>
<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>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<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>
<resources>
<resource>
<targetPath>/</targetPath>
<directory>${project.build.directory}</directory>
<include>${project.build.finalName}.jar</include>
</resource>
</resources>
</configuration>
</plugin>
</plugins>
</build>
</project>
启动类
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@SpringBootApplication
@Controller
public class DockerApplication {
public static void main(String[] args) {
SpringApplication.run(DockerApplication.class, args);
}
@RequestMapping(“/user/find”)
@ResponseBody
public Object findUser(){
Map<String, String > map = new HashMap<>();
map.put(“name”, “xdclass.net”);
map.put(“age”,”28″);
return map;
}
}
由于harbor没有安装，无法把镜像推到私有镜像仓库上，所以先手动执行。
mvn install,然后把dockerfile和jar包放到一起
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[root@topcheer docker]# ll
总用量 16452
-rw-r–r– 1 root root 168 10月 28 14:24 Dockerfile
-rw-r–r– 1 root root 16842487 10月 28 14:17 docker.jar
[root@topcheer docker]# cat Dockerfile
FROM java:8
VOLUME /tmp
ADD docker.jar app.jar
RUN bash -c touch /app.jar
EXPOSE 8080
ENTRYPOINT [“java”,”-Djava.security.egd=file:/dev/./urandom”,”-jar”,”/app.jar”]
[root@topcheer docker]#
编译成镜像并启动
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[root@topcheer docker]# docker build -f Dockerfile -t boot .
Sending build context to Docker daemon 16.85 MB
Step 1/6 : FROM java:8
—> d23bdf5b1b1b
Step 2/6 : VOLUME /tmp
—> Running in 35037b5a7791
—> e96b96457c78
Removing intermediate container 35037b5a7791
Step 3/6 : ADD docker.jar app.jar
—> 06bcfdcff437
Removing intermediate container 2e2e5e559ae4
Step 4/6 : RUN bash -c touch /app.jar
—> Running in 16441febc271
—> 1779caa23f77
Removing intermediate container 16441febc271
Step 5/6 : EXPOSE 8080
—> Running in 14dd752ce247
—> 505044f5cdf8
Removing intermediate container 14dd752ce247
Step 6/6 : ENTRYPOINT java -Djava.security.egd=file:/dev/./urandom -jar /app.jar
—> Running in 832e4ca95dd2
—> 1cb7bd139478
Removing intermediate container 832e4ca95dd2
Successfully built 1cb7bd139478
[root@topcheer docker]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
boot latest 1cb7bd139478 About a minute ago 677 MB
registry.cn-hangzhou.aliyuncs.com/dalianpai/topcheer zipkin 17c2bb09f482 6 days ago 154 MB
docker.io/mysql latest c8ee894bd2bd 11 days ago 456 MB
elasticsearch latest 874179f19603 4 weeks ago 771 MB
docker.io/nacos/nacos-server latest a4229ac5cc19 4 weeks ago 710 MB
springbootdemo4docker latest cd13bc7f56a0 5 weeks ago 678 MB
docker.io/tomcat latest ee48881b3e82 6 weeks ago 506 MB
docker.io/rabbitmq latest a00bc560660a 6 weeks ago 147 MB
docker.io/centos latest 67fa590cfc1c 2 months ago 202 MB
docker.io/redis latest f7302e4ab3a8 2 months ago 98.2 MB
docker.io/rabbitmq 3.7.16-management 3f92e6354d11 3 months ago 177 MB
docker.io/elasticsearch 6.8.0 d0b291d7093b 5 months ago 895 MB
docker.io/hello-world latest fce289e99eb9 10 months ago 1.84 kB
docker.io/java 8 d23bdf5b1b1b 2 years ago 643 MB
[root@topcheer docker]# docker run -d -p 8080:8080 boot
882ff5209aa2f40972a914b901750a50320faea65100b33e57b9c8a41533ca0b
测试
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/dalianpai/p/11752311.html
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