A HorizontalPodAutoscaler (HPA for short) automatically updates a workload resource (such as a Deployment or StatefulSet), with the aim of automatically scaling the workload to match demand. Horizontal scaling means that the response to increased load is to deploy more Pods. This is different from vertical scaling, which for Kubernetes would mean assigning more resources (for example: memory or CP
![HorizontalPodAutoscaler Walkthrough](https://cdn-ak-scissors.b.st-hatena.com/image/square/9013b6cc8b3232f7a7f3a0347b30f01b6923b068/height=288;version=1;width=512/https%3A%2F%2Fkubernetes.io%2Fimages%2Ffavicon.png)