You need a GKE cluster that automatically scales as additional applications are deployed without manual intervention. What should you do?
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Correct answer: Create a GKE cluster with node pool autoscaling enabled, and set a minimum and maximum node count..
Why this is the answer
Node pool autoscaling automatically adjusts the number of nodes in your GKE cluster based on resource requests and utilization, ensuring your applications have sufficient capacity without manual intervention. Setting minimum and maximum node counts defines the boundaries for this scaling. Deploying the app to GKE and adding a HorizontalPodAutoscaler (HPA) scales the number of pods for an application, but not the underlying nodes. If there aren't enough nodes, new pods won't be scheduled. A VerticalPodAutoscaler (VPA) adjusts the CPU and memory requests/limits for individual pods, but also doesn't scale the node infrastructure. Creating a separate node pool per application adds management overhead and doesn't inherently provide automatic scaling of the node count.
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