I am newly studying kubernetes for my own interest, i am trying to create jenkins jobs to deploy our application. I have one master and worker machine and both are up and running i can able ping both machine from one to another.

As of now, i don't have any pods and deployment services my cluster its fresh setup environment. right now jenkins file contains Pod Template for nodejs and docker with single stage to install NPM modules.

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

podTemplate(
    cloud: 'kubernetes',
    namespace: 'test',
    imagePullSecrets: ['regcred'],
    label: label,
    containers: [
        containerTemplate(name: 'nodejs', image: 'nodejscn/node:latest', ttyEnabled: true, command: 'cat'),
        containerTemplate(name: 'docker', image: 'nodejscn/node:latest', ttyEnabled: true, command: 'cat'),
        containerTemplate(name: 'kubectl', image: 'k8spoc1/kubctl:latest', ttyEnabled: true, command: 'cat')
    ],
    volumes: [
        hostPathVolume(hostPath: '/var/run/docker.sock', mountPath: '/var/run/docker.sock'),
        hostPathVolume(hostPath: '/root/.m2/repository', mountPath: '/root/.m2/repository')
    ]
) {

    node(label) {
      def scmInfo = checkout scm
      def image_tag
      def image_name
      sh 'pwd'
      def gitCommit = scmInfo.GIT_COMMIT
      def gitBranch = scmInfo.GIT_BRANCH
      def commitId
      commitId= scmInfo.GIT_COMMIT[0..7]
      image_tag = "${scmInfo.GIT_BRANCH}-${scmInfo.GIT_COMMIT[0..7]}"

      stage('NPM Install') {
           container ('nodejs') {
              withEnv(["NPM_CONFIG_LOGLEVEL=warn"]) {
                sh 'npm install'
            }
           }
      }
   }
}

Now the question is if run the jenkins jobs with above code, above mentioned docker and nodejs image will download from docker registry and this will save into my local machine ? how this will work, can you please some one explain me ?