kubernetes-hands-on/18-stateful-sets/01-statefulset.yml

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---
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apiVersion: apps/v1
kind: StatefulSet
metadata:
name: web
spec:
selector:
matchLabels:
app: nginx # has to match .spec.template.metadata.labels
serviceName: "nginx"
replicas: 3
template:
metadata:
labels:
app: nginx # has to match .spec.selector.matchLabels
spec:
containers:
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- name: nginx
image: k8s.gcr.io/nginx-slim:0.8
ports:
- containerPort: 80
name: web
volumeMounts:
- name: www
mountPath: /usr/share/nginx/html
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volumeClaimTemplates:
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- metadata:
name: www
spec:
accessModes: ["ReadWriteOnce"]
resources:
requests:
storage: 1Gi