Redis DB를 statefulset으로 구성하기

redis-statefulset.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: redis
  namespace: default
spec:
  selector:
    matchLabels:
      svc: redis # has to match .spec.template.metadata.labels
  serviceName: redis
  replicas: 3 # by default is 1
  template: # pod의 사양
    metadata:
      labels:
        svc: redis # has to match .spec.selector.matchLabels
    spec:
      containers:
      - name: redis
        image: redis
        ports:
        - containerPort: 6397
        volumeMounts:
        - name: data
          mountPath: /data
  volumeClaimTemplates: # persistent volume 생성을 위한 template임
  - metadata:
      name: data
    spec:
      accessModes: 
      - ReadWriteOnce
      resources:
        requests:
          storage: 10Ki
---
apiVersion: v1
kind: Service
metadata:
  name: redis
spec:
  type: ClusterIP
  selector:
    svc: redis
  ports:
  - port: 6379