Jenkinsfile

podTemplate(label: 'mypod', containers: [
    containerTemplate(name: 'docker', image: 'docker', ttyEnabled: true, command: 'cat'),
    containerTemplate(name: 'kubectl', image: 'lachlanevenson/k8s-kubectl:v1.8.0', command: 'cat', ttyEnabled: true),
    containerTemplate(name: 'helm', image: 'lachlanevenson/k8s-helm:latest', command: 'cat', ttyEnabled: true)
  ],
  volumes: [
    hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock'),
  ]) {
    node('mypod') {


        stage 'Build docker image'
        container('docker') {
                    // Store these credentials in Jenkins too
                      withCredentials([[$class: 'UsernamePasswordMultiBinding',
                                credentialsId: 'e7de4146-4a59-4406-916e-d10506cfaeb8',
                                usernameVariable: 'DOCKER_HUB_USER',
                                passwordVariable: 'DOCKER_HUB_PASSWORD']]) {

                        sh """
                           docker build -t ${imageTag} /src/main/docker

                        """
                    }
                }



        stage 'Push image to the registry'
        container('docker') {
            // Store these credentials in Jenkins too
              withCredentials([[$class: 'UsernamePasswordMultiBinding',
                        credentialsId: 'e7de4146-4a59-4406-916e-d10506cfaeb8',
                        usernameVariable: 'DOCKER_HUB_USER',
                        passwordVariable: 'DOCKER_HUB_PASSWORD']]) {

                sh """
                    docker login -u ${env.DOCKER_HUB_USER} -p ${env.DOCKER_HUB_PASSWORD}
                    docker push ${imageTag}
                """
            }
        }

        stage('do some Docker work') {
            container('docker') {

                withCredentials([[$class: 'UsernamePasswordMultiBinding',
                        credentialsId: 'e7de4146-4a59-4406-916e-d10506cfaeb8',
                        usernameVariable: 'DOCKER_HUB_USER',
                        passwordVariable: 'DOCKER_HUB_PASSWORD']]) {

                    sh """
                        docker pull ubuntu
                        docker tag ubuntu ${env.DOCKER_HUB_USER}/ubuntu:${env.BUILD_NUMBER}
                        """
                    sh "docker login -u ${env.DOCKER_HUB_USER} -p ${env.DOCKER_HUB_PASSWORD} "
                    sh "docker push ${env.DOCKER_HUB_USER}/ubuntu:${env.BUILD_NUMBER} "
                }
            }
        }

        stage('do some kubectl work') {
            container('kubectl') {
               withCredentials([[
                $class: 'FileBinding',
                credentialsId: '77bd756d-382a-4704-bb9c-9d52f023ac4d',
                variable: 'KUBECONFIG'
            ]]){
                 sh("kubectl --kubeconfig=$KUBECONFIG --namespace={{APP_NAMESPACE}} get nodes")
               }
            }
        }



    }
}