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Kubernetes YAML Cheat Sheet/Spread replicas across nodes

Avoid colocating the same app on one node.

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Section: Scheduling and Placement

Spread replicas across nodes

yaml
yaml
affinity:
  podAntiAffinity:
    preferredDuringSchedulingIgnoredDuringExecution:
      - weight: 100
        podAffinityTerm:
          labelSelector:
            matchLabels:
              app: api
          topologyKey: kubernetes.io/hostname

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