Added changes in Jenkinsfile

Jenkinsfile

@@ -0,0 +1,28 @@
+pipeline {
+    agent { label 'JDK_17' }
+    triggers { pollSCM ('* * * * *') }
+    }
+    stages {
+        stage('vcs') {
+            steps {
+                git url: 'https://github.com/Aseerwadham/spring-petclinic.git',
+                    branch: 'main'
+            }
+        }
+        stage('package') {
+            tools {
+                jdk 'JDK_17'
+            }
+            steps {
+                sh "mvn package"
+            }
+        }
+        stage('post build') {
+            steps {
+                archiveArtifacts artifacts: '**/target/spring-petclinic-3.0.0-SNAPSHOT.jar',
+                                 onlyIfSuccessful: true
+                junit testResults: '**/surefire-reports/TEST-*.xml'
+            }
+        }
+    }
+}