apiVersion: apps.kruise.io/v1alpha1
kind: UnitedDeployment
metadata:
  labels:
    app.kubernetes.io/name: guestbook-kruise
    app.kubernetes.io/instance: demo
  name: demo-guestbook-kruise
spec:
  replicas: 10
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app.kubernetes.io/name: guestbook-kruise
      app.kubernetes.io/instance: demo
  template:
    statefulSetTemplate:
      metadata:
        labels:
          app.kubernetes.io/name: guestbook-kruise
          app.kubernetes.io/instance: demo
      spec:
        template:
          metadata:
            labels:
              app.kubernetes.io/name: guestbook-kruise
              app.kubernetes.io/instance: demo
          spec:
            containers:
              - name: guestbook-kruise
                image: openkruise/guestbook:v1
                imagePullPolicy: Always
                ports:
                  - name: http-server
                    containerPort: 3000
  topology:
    subsets:
      - name: subset-a
        replicas: 2
        nodeSelectorTerm:
          matchExpressions:
            - key: az
              operator: In
              values:
                - zone-a
      - name: subset-b
        replicas: 50%
        nodeSelectorTerm:
          matchExpressions:
            - key: az
              operator: In
              values:
                - zone-b
      - name: subset-c
        nodeSelectorTerm:
          matchExpressions:
            - key: az
              operator: In
              values:
                - zone-c