Update Jenkinsfile

Jenkinsfile

@@ -1,3 +1,5 @@
+#!/usr/bin/env groovy
+
 pipeline {
     agent any
     stages {
@@ -18,7 +20,10 @@ pipeline {
         stage('deploy') {
             steps {
                 script {
-                    echo "Deploying the application..."
+                    def dockerCmd = 'docker run -p 3080:3080 -d nanajanashia/demo-app:1.0'
+                    sshagent(['ec2-server-key']) {
+                        sh "ssh -o StrictHostKeyChecking=no ec2-user@35.180.251.121 ${dockerCmd}"
+                    }
                 }
             }
         }