apiVersion: apps/v1
kind: Deployment
metadata: {name: cart, namespace: default}
spec:
  replicas: 6
  selector: {matchLabels: {app: cart}}
  template:
    metadata: {labels: {app: cart}}
    spec:
      topologySpreadConstraints:
        - {maxSkew: 1, topologyKey: topology.kubernetes.io/zone, whenUnsatisfiable: DoNotSchedule, labelSelector: {matchLabels: {app: cart}}}
      containers: [{name: cart, image: busybox:1.36, command: ["sleep", "3600"], resources: {requests: {cpu: 10m}}}]