https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/#:~:text=A%20HorizontalPodAutoscaler%20(HPA%20for%20short,is%20to%20deploy%20more%20Pods.
https://docs.aws.amazon.com/eks/latest/userguide/horizontal-pod-autoscaler.html
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/#autoscaling-on-metrics-not-related-to-kubernetes-objects