Added ssh step

Dockerfile

+FROM openjdk:11-jre-slim
+COPY target/spring-boot-complete-0.0.1-SNAPSHOT.jar /usr/local/lib/hello.jar
+EXPOSE 8085
+ENTRYPOINT ["java","-jar","/usr/local/lib/hello.jar"]

Jenkinsfile

@@ -10,6 +10,8 @@ pipeline {
         NEXUS_URL = "34.69.185.118:8081"
         NEXUS_REPOSITORY = "maven-nexus-jenkins-repo"
         NEXUS_CREDENTIAL_ID = "nexus-credentials"
+        USER = "root"
+        REMOTE_AGENT = "34.168.252.248"
     }
 
 	stages {
@@ -98,5 +100,16 @@ pipeline {
                 }
             }
         }
+        stage("Build Docker Image and Helm Deploy to Kubernetes"){
+            steps{
+                sshagent(credentials: ['ssh-cred']){
+                     sh '''
+                        [ -d ~/.ssh ] || mkdir ~/.ssh && chmod 0700 ~/.ssh
+                        ssh-keyscan -t rsa,dsa ${REMOTE_AGENT} >> ~/.ssh/known_hosts
+                        ssh ${USER}@${REMOTE_AGENT} "echo hello vm!"
+                    '''
+                }
+            }
+        }
 	}
 }