Update Jenkinsfile

Jenkinsfile

@@ -1,18 +1,14 @@
 pipeline {
+    stage('Build'){
         agent {
           docker {
             image 'maven:3-alpine'
             args '-v /root/.m2:/root/.m2'
           }
         }
-    options {
-        skipStagesAfterUnstable()
-    }
-    stages {
-        stage('Build') {
         steps {
             sh 'mvn clean install'
-            }
+            stash includes: 'target/*.jar', name: 'targetfiles'
         }
     }
 }