def label = "servicedemo-${UUID.randomUUID().toString()}"

podTemplate(label: label, containers: [
  containerTemplate(
    name: 'maven',
    image: 'maven:3.8.4-openjdk-11',
    command: 'sleep',
    args: '30d'
  ),
  containerTemplate(
    name: 'kaniko',
    image: 'gcr.io/kaniko-project/executor:debug',
    command: 'sleep',
    args: '99d'
  )
], workspaceVolume: dynamicPVC()) {
  node(label) {
    stage('Checkout') {
      checkout scm
      sh "git fetch"
      GIT_HASH = sh (
        script: 'git rev-parse --short HEAD',
        returnStdout: true
      ).trim()
      GIT_TAG = sh (
        script: 'git describe --tags --always --dirty=-dirty',
        returnStdout: true
      ).trim()
      container('maven') {
        stage('Build') {
          sh '''
            mvn clean package -B -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
          '''
        }
        stage('Archive') {
          archiveArtifacts artifacts: 'target/*.jar', followSymlinks: false
        }
      }
      container('kaniko') {
        stage('Image') {
          ansiColor('xterm') {
           sh "/kaniko/executor \
               -f `pwd`/Dockerfile \
               -c `pwd` \
               --insecure \
               --skip-tls-verify \
               --no-push \
               --tarPath ./target/servicedemo.image.tar \
               --destination=servicedemo:${GIT_HASH}"

          }
        }
        stage('Archive') {
          archiveArtifacts artifacts: 'target/*.tar', followSymlinks: false
        }
      }
    }
  }
}