Jenkinsfile-docker-sample2.groovy

def userHome = "/home/jhsea3do";
def volsHome = "${userHome}/clusters/devops/vols";
def projHome = "hello";
def projUser = "1000:1000";
def projLink = "https://github.com/chenfromsz/spring-boot-hello.git" 

pipeline {
    
    agent none
    
    stages {
        
      stage('Prepare') {
          
        agent { label 'master' }
        
        steps {
            
          dir(projHome) {
            git branch: 'master', url: projLink
          }
            
        }
        
        
          
      }
        
      stage('Build') {
          
        agent { 
            
          docker {
            image 'maven:3.5-jdk-8-alpine'
            args " -u ${projUser} -v ${volsHome}/jenkins_home/.m2:/var/maven/.m2 -e MAVEN_CONFIG=/var/maven/.m2 -e MAVEN_OPTS=' -Duser.home=/var/maven ' "
          } 
          
        }
          
        steps {
          
          sh """
          cd ${projHome}; 
          mvn package
          """
          
        }
      }
      
      stage('Deploy') {
          
        agent {
          docker {
            image 'openjdk:8-alpine'
            args " -u ${projUser} "
          } 
        }
          
        
        steps {
          
          sh """
          mkdir -p app/bin app/lib app/etc;
          cp ${projHome}/target/*.jar app/lib/app.jar; 
          find app;
          """
          
        }
      }
      
      stage('Run') {
          
        agent {
          docker {
            image 'openjdk:8-alpine'
            args " -u ${projUser} -p 11080:8080 -e SPRING_OPTS='-Dserver.port=8080 '"
          } 
        }
          
        
        steps {
          script {
            try {
              timeout(time: 30, unit: 'SECONDS') {
                sh """
                cd app;
                echo \$SPRING_OPTS;
                java -jar \$SPRING_OPTS lib/app.jar;
                """
              }
            } catch (e) {
              sh "echo time over"
            }
          }

        }
      }
    }   


}