added jenkinsfile

worker/Jenkinsfile

@@ -0,0 +1,49 @@
+pipeline {
+    agent any 
+     tools {
+        maven 'Maven 3.6.1' 
+    }
+    stages{
+        stage ('build') {
+             when{
+                changeset "**/worker/**"
+            }
+            steps{
+              echo 'Compliling worker app'
+              dir ('worker'){
+               sh 'mvn compile'
+              }
+            }
+
+        }
+
+        stage ('test') {
+             when{
+                changeset "**/worker/**"
+            }
+            steps{
+                echo 'Running unit test on worker App'
+
+            }
+        }
+        stage ('package') {
+            when{
+                branch 'master'
+                changeset "**/worker/**"
+            }
+            steps{
+                echo 'Packaging worker App'
+                dir('worker'){
+            sh 'mvn package -Dskiptest'
+            archiveArtifacts artifacts: '**/target/*.jar', fingerprint: true
+             }
+            }
+        }
+    }
+    post{
+     always{
+         echo 'Build pipeline for workers is complete..'
+     }
+   }
+
+}