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创建项目
pom.xml
4.0.0
org.springframework.boot
spring-boot-starter-parent
2.1.9.RELEASE
com.topcheer
docker
0.0.1-SNAPSHOT
docker
Demo project for Spring Boot
1.8
topcheer
org.springframework.boot
spring-boot-starter-web
org.springframework.boot
spring-boot-starter-test
test
org.springframework.boot
spring-boot-maven-plugin
com.spotify
docker-maven-plugin
1.0.0
${docker.image.prefix}/${project.artifactId}
src/main/docker
/
${project.build.directory}
${project.build.finalName}.jar
启动类
@SpringBootApplication
@Controller
public class DockerApplication {
public static void main(String[] args) {
SpringApplication.run(DockerApplication.class, args);
}
@RequestMapping("/user/find")
@ResponseBody
public Object findUser(){
Map 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
[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
[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
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分享名称：Docker如何部署springboot项目
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