jenkins automation pipline of ci / cd pipeline

pipeline {
    agent any
   tools {
        // tools must be arranged in advance in the pre-jenkins 
        Maven ' mvn ' 
        JDK   ' JDK '
    }
    stages {
        stage('Env') {
           
            steps {
                sh 'printenv'
            }
        }
        stage('git')     {
         steps{
           checkout([$class: 'GitSCM', branches: [[name: '*/develop']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: '18980d0a-1ae4-443b17dc687b1', url: 'https://CFAI_the_best/codeflag-basis.git']]])
         }
   }
        stage('mvn install')     { 
          
           steps {
            
              sh 'cd /var/lib/jenkins/workspace/k8s-test-basis/src/main/resources && mv application.test.properties application.properties'
              
              sh 'mvn clean install'
              
           }
          
       }
        stage('docker')     { 
           
           steps {
               
               sh 'cd /var/lib/jenkins/workspace/k8s-test-basis/target '
              sh '''
      REPOSITORY=172.18.0.218/codeflagtest/codeflag-basis:${BUILD_ID}
        pwd
        echo '
        FROM 172.18.0.218/codeflagtest/tomcat
      RUN rm -rf  /usr/local/tomcat/webapps/ROOT
        RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
  && echo 'Asia/Shanghai' >/etc/timezone 
          ADD target/basic-0.0.1-SNAPSHOT.war   /usr/local/tomcat/webapps/ROOT.war
        ' > Dockerfile
        docker build -t $REPOSITORY .
        docker login 172.18.0.218 -u admin -p  Harbor123456
        docker push $REPOSITORY
      
        '''
           }
          
        }
                stage('deploy')     { 
          
           steps {
               sh ' REPOSITORY=172.18.0.218/codeflagtest/codeflag-basis:${BUILD_ID}'
              sh 'kubectl  get pod'
              sh '''
 cat << EOF > basis.yaml
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: basis
spec:
  replicas: 2
  selector:
    matchLabels:
      app: basis
  template:
    metadata:
      labels:
        app: basis
    spec:
      containers:
      - name: basis
        image: 172.18.0.218/codeflagtest/codeflag-basis:${BUILD_ID}
      
        imagePullPolicy: Always
        ports:
        - containerPort: 8080
        volumeMounts:
          - name: pvc-nas
            mountPath: "/home/www/test"
      volumes:
        - name: pvc-nas
          persistentVolumeClaim:
            claimName: pvc - in
      imagePullSecrets:
        - name: registry-secret

---
apiVersion: v1
kind: Service
metadata:
  name: basis
spec:
  ports:
  - port: 80
    targetPort: 8080
    name: basis
  selector:
    app: basis
  type: LoadBalancer
EOF

kubectl apply -f basis.yaml
              
              '''
              
           }
          
       }
    }

}

 

 

Sample officially recommended:

Official recommended syntax:

Official Examples:
Jenkinsfile (Declarative Pipeline)
pipeline { 
    agent any 
    options {
        ship unstable after stage ()
    }
    stages {
        stage('Build') { 
            steps { 
                sh 'make' 
            }
        }
        stage('Test'){
            steps {
                sh 'make check'
                junit 'reports/**/*.xml' 
            }
        }
        stage('Deploy') {
            steps {
                sh 'make publish'
            }
        }
    }
}