Best of Jenkinsfile, a collection of useful workflow scripts ready to be copied into your Jenkinsfile on a per use basis.

dockerBuild.groovy

/*
Example of a common docker build script
*/
def call(body) {
    def config = [:]
    body.resolveStrategy = Closure.DELEGATE_FIRST
    body.delegate = config
    body()
    stage 'checkout'
    node {
        checkout scm
        stage 'main'
        docker.image(config.environment).inside {
            sh config.mainScript
        }
        stage 'post'
        sh config.postScript
    }
}

/*
And this is how to invoke it from a Jenkinsfile that includes it
dockerBuild {
    environment = 'golang:1.5.0'
    mainScript = '''
go version
go build -v hello-world.go
'''
    postScript = '''
ls -l
./hello-world
'''
}
*/

gradle-build.groovy

#!groovy

node {
    stage 'checkout'
    checkout scm

    stage 'build'
    if (isUnix()) {
        sh './gradlew clean build'
    } else {
        bat './gradlew.bat clean build'
    }

    stage 'test'
    if (isUnix()) {
        sh './gradlew test'
    } else {
        bat './gradlew.bat test'
    }
    step([$class: 'JUnitResultArchiver', testResults: '**/target/test-results/TEST-*.xml'])

    stage 'package'
    if (isUnix()) {
        sh './gradlew bootRepackage'
    } else {
        bat './gradlew.bat bootRepackage'
    }
    step([$class: 'ArtifactArchiver', artifacts: '**/build/libs/*.war', fingerprint: true])

    stage: 'postbuild'
    if (isUnix()) {
        sh 'ls -la'
    } else {
        bat 'dir'
    }
}

Jenkinsfile

#!groovy
# Best of Jenkinsfile
# `Jenkinsfile` is a groovy script DSL for defining CI/CD workflows for Jenkins
node {
}

mvn-build-and-test.groovy

# Jenkinsfile
# Build and test a Maven project

node {
  git url: 'https://github.com/user/repo.git'
  def mvnHome = tool 'M3'
  sh "${mvnHome}/bin/mvn -B -Dmaven.test.failure.ignore verify"
  step([$class: 'JUnitResultArchiver', testResults:
'**/target/foobar/TEST-*.xml'])
}

mvn-verify.groovy

# Jenkinsfile
# Verify a Maven project

node {
  git url: 'https://github.com/user/repo.git'
  def mvnHome = tool 'M3'
  sh "${mvnHome}/bin/mvn -B verify"
}

parallel-stage-2.groovy

stage "unit test"

node {
   git "[email protected]:michaelneale/oaks-trail-ride.git"
   sh "echo unit test app"
}

stage "test on supported OSes"

parallel (
  windows: { node {
    sh "echo building on windows now"

 }},
  mac: { node {
    sh "echo building on mac now"
 }}

parallel-stage.groovy

node {
  for (int i=0; i< 2; ++i) {  
    stage "Stage #"+i
    print 'Hello, world $i!'
  }

  stage "Stage Parallel"
  def branches = [:]
  for (int i = 0; i < numHelloMessages.toInteger(); i++) {
    branches["split${i}"] = {
      stage "Stage parallel- #"+i
      node('remote') {
       echo  'Starting sleep'
       sleep 10
       echo  'Finished sleep'
      }
    }
  }
  parallel branches
}