JavaEE Pipeline como código usando Jenkins, Docker e Sonar

pipeline {
    agent any

    stages {

        stage('checkout') {

            steps {
                git 'https://github.com/rmpestano/tdc-pipeline.git'
            }
        }

        stage('build') {

            steps {
                sh 'mvn clean package'
            }

        }
    }

}

pipeline {
    agent any

    //stages

    post {
      always {
            sendNotification(currentBuild.result)
      }

      success {
           echo 'Build was a success'
      }

      failure {
           echo 'Build failure'
      }

      changed {
          echo 'Build status changed.'
      }
   }
}//end pipeline

def sendNotification(buildStatus) {

  buildStatus =  buildStatus ?: 'SUCCESSFUL'

  def color = buildStatus == 'SUCCESSFUL' ? 'good' : 'danger'

  def message = "${currentBuild.fullDisplayName} *${buildStatus}*. (<${env.BUILD_URL}|Open>)"


  slackSend (channel: '#builds', color: color, message: message)

  }