Conditional executiom stages

Jenkinsfile

@@ -0,0 +1,30 @@
+pipeline {
+    agent any 
+
+    stages{
+        stage("one"){
+            steps{
+                echo 'step 1'
+                sleep 3
+            }
+        }
+        stage("two"){
+            steps{
+                echo 'step 2'
+                sleep 9
+            }
+        }
+        stage("three"){
+            steps{
+                echo 'step 3'
+                sleep 5
+            }
+        }
+    } 
+
+    post{
+      always{
+          echo 'This pipeline is completed.'
+      }
+    }
+}

README.md

@@ -1,5 +1,5 @@
 Example Voting App
-=========
+==========
 
 Getting started
 ---------------

docker-compose.yaml

@@ -0,0 +1,13 @@
+services:
+  vote:
+    image: zkube/vote:latest
+    ports:
+      - 5000:80
+
+  result:
+    image: zkube/result:latest
+    ports:
+      - 5001:4000
+
+  worker:
+    image: zkube/worker:latest

worker/Dockerfile

@@ -0,0 +1,6 @@
+FROM maven:3.6.1-jdk-8-slim
+WORKDIR /app
+COPY . .
+RUN mvn package && \
+     mv target/worker-jar-with-dependencies.jar /run/worker.jar && rm -rf /app/*
+CMD java -jar /run/worker.jar

worker/Jenkinsfile

@@ -0,0 +1,89 @@
+pipeline {
+
+  agent none
+
+  stages{
+      stage("build"){
+        when{
+            changeset "**/worker/**"
+          }
+
+        agent{
+          docker{
+            image 'maven:3.6.1-jdk-8-slim'
+            args '-v $HOME/.m2:/root/.m2'
+          }
+        }
+
+        steps{
+          echo 'Compiling worker app..'
+          dir('worker'){
+            sh 'mvn compile'
+          }
+        }
+      }
+      stage("test"){
+        when{
+          changeset "**/worker/**"
+        }
+        agent{
+          docker{
+            image 'maven:3.6.1-jdk-8-slim'
+            args '-v $HOME/.m2:/root/.m2'
+          }
+        }
+        steps{
+          echo 'Running Unit Tets on worker app..'
+          dir('worker'){
+            sh 'mvn clean test'
+           }
+
+          }
+      }
+      stage("package"){
+        when{
+          branch 'master'
+          changeset "**/worker/**"
+        }
+        agent{
+          docker{
+            image 'maven:3.6.1-jdk-8-slim'
+            args '-v $HOME/.m2:/root/.m2'
+          }
+        }
+        steps{
+          echo 'Packaging worker app'
+          dir('worker'){
+            sh 'mvn package -DskipTests'
+            archiveArtifacts artifacts: '**/target/*.jar', fingerprint: true
+          }
+
+        }
+      }
+
+      stage('docker-package'){
+          agent any
+          when{
+            changeset "**/worker/**"
+            branch 'master'
+          }
+          steps{
+            echo 'Packaging worker app with docker'
+            script{
+              docker.withRegistry('https://index.docker.io/v1/', 'dockerlogin') {
+                  def workerImage = docker.build("zkube/worker:v${env.BUILD_ID}", "./worker")
+                  workerImage.push()
+                  workerImage.push("${env.BRANCH_NAME}")
+                  workerImage.push("latest")
+              }
+            }
+          }
+      }
+  }
+
+  post{
+    always{
+        echo 'Building multibranch pipeline for worker is completed..'
+    }
+  }
+}