Kubernetes-StatefulSet

  StatefulSets are intended to be used with stateful applications and distributed systems.


#sf.yaml

apiVersion: v1

kind: Service

metadata:

  name: nginx

  labels:

    app: nginx

spec:

  ports:

  - port: 80

    name: web

  clusterIP: None

  selector:

    app: nginx

---

apiVersion: apps/v1

kind: StatefulSet

metadata:

  name: web

spec:

  serviceName: "nginx"

  replicas: 2

  selector:

    matchLabels:

      app: nginx

  template:

    metadata:

      labels:

        app: nginx

    spec:

      containers:

      - name: nginx

        image: k8s.gcr.io/nginx-slim:0.8

        ports:

        - containerPort: 80

          name: web



kubectl create -f sf.yaml
kubectl get pods 

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