idea combines docker to realize image packaging and one-click deployment

yum install docker

[root@microservice ~]# vim /usr/lib/systemd/system/docker.service

systemctl daemon-reload
systemctl start docker

<build>
  <finalName>${project.artifactId}</finalName>
  <plugins>
    <plugin>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-maven-plugin</artifactId>
      <configuration>
        <fork>true</fork>
      </configuration>
    </plugin>
    <!-- Skipping unit tests -->
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-surefire-plugin</artifactId>
      <configuration>
        <skipTests>true</skipTests>
      </configuration>
    </plugin>
    <!--Use the docker-maven-plugin plugin-->
    <plugin>
      <groupId>com.spotify</groupId>
      <artifactId>docker-maven-plugin</artifactId>
      <version>1.0.0</version>
      <!--Bind the plugin to a certain phase for execution-->
      <executions>
        <execution>
          <id>build-image</id>
          <!--Users only need to execute mvn package, and mvn docker:build will be automatically executed-->
          <phase>package</phase>
          <goals>
            <goal>build</goal>
          </goals>
        </execution>
      </executions>
      <configuration>
        <!--Specify the generated image name-->
        <imageName>fred/${project.artifactId}</imageName>
        <!--Specify tags-->
        <imageTags>
          <imageTag>latest</imageTag>
        </imageTags>
        <!-- Specify the Dockerfile path -->
        <dockerDirectory>src/main/docker</dockerDirectory>
        <!--Specify the remote docker api address-->
        <dockerHost>http://server ip address:2375</dockerHost>
        <!-- Here is the configuration for copying the jar package to the specified directory of the docker container-->
        <resources>
          <resource>
            <targetPath>/</targetPath>
            <!--The path where the jar package is located corresponds to the target directory -->
            <directory>${project.build.directory}</directory>
            <!-- The jar package that needs to be included, which corresponds to the file name added in Dockerfile-->
            <include>${project.build.finalName}.jar</include>
          </resource>
        </resources>
      </configuration>
    </plugin>
  </plugins>
</build>

# Dockerfile
# Based on the image FROM openjdk:8-jdk-alpine
 
VOLUME /opt/tmp
 
ADD sg-business.jar app.jar
 
# -Djava.security.egd=file:/dev/./urandom can solve the problem that tomcat may start slowly# For details, please see: https://www.cnblogs.com/mightyvincent/p/7685310.html
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
 
# External port EXPOSE 8081