k8s: Kubernetes v1.37: Scale Workloads to Zero with HorizontalPodAutoscaler

Kubernetes v1.37 makes HorizontalPodAutoscaler scale workloads down to zero replicas by default when using object or external metrics. The feature is Beta; it requires a metric source that remains available at zero replicas, and the controller marks zero-state ownership with a ScaledToZero condition.

• Source: Kubernetes Official Blog