You can already do that but even better, and with an actual x86 computer. I bought some of these when they were $80

https://www.aliexpress.com/item/Fanless-Ubuntu-14-0-4-Comput...

plus a battery usb battery pack.

https://hackernoon.com/diy-kubernetes-cluster-with-x86-stick... used these to setup my own k8s cluster