Jenkins master Kubernetes deployment file

jenkins-master-deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: jenkins-master
  namespace: ci
spec:
  template:
    metadata:
      labels:
        name: jenkins-master
    spec:
      securityContext:
        fsGroup: 1000
      containers:
        - name: jenkins-master
          image: jenkins
          ports:
            - containerPort: 8080
            - containerPort: 50000
          volumeMounts:
            - name: jenkins-master-vol
              mountPath: /var/jenkins_home
      volumes:
        - name: jenkins-master-vol
          persistentVolumeClaim:
            claimName: jenkins-master-claim
      nodeSelector:
        beta.kubernetes.io/os: linux