statefulset-pvc.yaml

# Create Namespace
apiVersion: v1
kind: Namespace
metadata:
  name: statefulset-pvc-namespace
---
# Create Service
apiVersion: v1
kind: Service
metadata:
  name: nginx-app-service
  namespace: statefulset-pvc-namespace
spec:
  selector:
    app-name: nginx-app
  ports:
    - name: server
      port: 2888
      targetPort: 2888
---
# Create StatefulSet with 2 Replicas + PVC
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nginx-app-statefulset
  namespace: statefulset-pvc-namespace
spec:
  selector:
    matchLabels:
      app-name: nginx-app
  replicas: 2
  serviceName: nginx-app-service
  template:
    metadata:
      labels:
        app-name: nginx-app
    spec:
      containers:
        - name: app
          image: nginx
          ports:
            - containerPort: 80
              name: "http-server"
          volumeMounts:
            - mountPath: "/usr/share/nginx/html"
              name: nginx-app-claim
      restartPolicy: Always
  volumeClaimTemplates:
    - metadata:
        name: nginx-app-claim
        namespace: statefulset-pvc-namespace
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 500M