Kubernetes persistence demo

sticky.yaml

# sticky.yaml

apiVersion: v1
kind: Service
metadata:
  name: sticky
  labels:
    app: sticky
spec:
  type: LoadBalancer
  ports:
  - name: web
    port: 3333
    targetPort: 80
  selector:
    app: sticky

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: sticky
spec:
  serviceName: sticky
  replicas: 3
  selector:
    matchLabels:
      app: sticky
  template:
    metadata:
      labels:
        app: sticky
    spec:
      containers:
      - name: nginx
        image: k8s.gcr.io/nginx-slim:0.8
        ports:
        - containerPort: 80
          name: web
        volumeMounts:
        - name: sticky-data # マウントしたいボリュームの名前
          mountPath: /usr/share/nginx/html # コンテナからみたストレージの位置
  volumeClaimTemplates:
  - metadata:
      name: sticky-data # ボリュームの名前
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 1Gi