创建项目
pom.xml
<?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
@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
[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
