apiVersion: apps/v1 kind: Deployment metadata: name: whoami labels: kubernetes.courselabs.co: affinity spec: replicas: 6 selector: matchLabels: app: whoami template: metadata: labels: app: whoami update: prefer-spread-zone spec: containers: - name: app image: sixeyed/whoami:21.04 nodeSelector: kubernetes.io/os: linux affinity: podAffinity: requiredDuringSchedulingIgnoredDuringExecution: - labelSelector: matchLabels: app: whoami topologyKey: topology.kubernetes.io/region podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: - weight: 1 podAffinityTerm: labelSelector: matchLabels: app: whoami topologyKey: topology.kubernetes.io/zone