StatefulSets

StatefulSets

Kubernetes StatefulSets

Coming soon…

Run a Collection of Stateful Pods That Need a Sticky Identity

Create a YAML file called legacy.yml to hold the manifest for a headless service as well as a YAML file for the StatefulSet deployment.

vi legacy.yml


apiVersion: v1
kind: Service
metadata:
  name: legacy-svc
  labels:
spec:
  ports:
  - name: web
    port: 80
  clusterIP: None
  selector:
    app: legacy-svc
    
---

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: legacy
spec:
  selector:
    matchLabels:
      app: legacy
  serviceName: legacy-svc
  replicas: 5
  template:
    metadata:
      labels:
        app: legacy
    spec:
      containers:
      - name: nginx
        image: nginx:stable

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