Example statefulset with Azure Disks

statefulset.yaml

apiVersion: v1
kind: Service
metadata:
  name: echoserver
  labels:
    app: echoserver
spec:
  ports:
  - port: 8080
    name: echo
  clusterIP: None
  selector:
    app: echoserver
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: echo
spec:
  selector:
    matchLabels:
      app: echoserver
  serviceName: "echoserver"
  replicas: 3
  template:
    metadata:
      labels:
        app: echoserver
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
                - key: "app"
                  operator: In
                  values:
                  - echoserver
            topologyKey: "topology.kubernetes.io/zone"
      terminationGracePeriodSeconds: 10
      containers:
      - name: echoserver
        image: gcr.io/google_containers/echoserver:1.10
        ports:
        - containerPort: 8080
          name: echo
        volumeMounts:
        - name: demo
          mountPath: /demo
  volumeClaimTemplates:
  - metadata:
      name: demo
    spec:
      accessModes: 
      - "ReadWriteOnce"
      storageClassName: managed-premium
      resources:
        requests:
          storage: 1Gi