podTemplate(label: 'docker-mysql', containers: [
    containerTemplate(name: 'docker', image: 'docker:1.12.3-dind', ttyEnabled: true, command: 'cat', privileged: true, instanceCap: 1),
    containerTemplate(name: 'jnlp', image: 'jenkinsci/jnlp-slave:2.62-alpine', args: '${computer.jnlpmac} ${computer.name}'),
  ],
  volumes: [
        hostPathVolume(mountPath: "/var/run/docker.sock", hostPath: "/var/run/docker.sock")
  ]) {
  node() {
    stage('Preparation') { // for display purposes
      git url: 'https://github.com/repo/docker-mysql.git'
      container('docker') {
        stage('Build the docker image') {

        sh 'docker build -t devopskube/mysql:latest .'
        sh 'docker inspect -f {{.Id}} repo/mysql:latest'

        id = sh (
              script: 'docker inspect -f {{.Id}} repo/mysql:latest',
              returnStdout: true
             ).trim()
        }
      }
    }
  }