Added conditional code for package build for master

Jenkinsfile

@@ -0,0 +1,57 @@
+pipeline {
+  agent {
+    docker {
+      image 'maven:3.6.3-jdk-11-slim'
+    }
+
+  }
+  stages {
+    stage('build') {
+      steps {
+        echo 'Compiling the code for sysfoo app'
+        sh 'mvn compile'
+      }
+    }
+
+    stage('Test') {
+      steps {
+        echo 'Clean test with unit test for sysfoo'
+        sh 'mvn clean test'
+      }
+    }
+
+    stage('Package') {
+      parallel {
+        stage('Package') {
+          when {
+            branch 'master'
+          }
+          steps {
+            echo 'Generating artifacts for deployment'
+            sh 'mvn package -DskipTests'
+          }
+        }
+
+        stage('TestA') {
+          steps {
+            sleep(time: 5, unit: 'SECONDS')
+          }
+        }
+
+      }
+    }
+
+    stage('TestB') {
+      steps {
+        sleep 3
+      }
+    }
+
+  }
+  post {
+    always {
+      echo 'This pipeline is completed..'
+    }
+
+  }
+}

README.md

@@ -1 +1,2 @@
 This is a Sample Maven App. 
+Trying to push with branch rules