gistfile1.txt

pipeline {
    agent {
        docker {
            image 'node:6-alpine'
            args '-p 3000:3000'
        }
    }
    environment {
        CI = 'true'
    }
    stages {
        stage('Build') {
            steps {
                sh 'npm install'
            }
        }
        stage('Test') {
            steps {
                sh 'npm test'
            }
        }
        stage('Deliver') {
            steps {
                sh 'npm run build'
                
                sh '''
                    npm start &
                    echo $! > .pidfile
                  '''
                  
                input message:'Finished visiting the web site?'
                
                sh 'kill $(cat .pidfile)'                
            }
        }
    }
}