This article about hosting firecracker on digitalocean comes to mind [1], although definitely not a service, but perhaps you may be able to glue together a simi

This article about hosting firecracker on digitalocean comes to mind [1], although definitely not a service, but perhaps you may be able to glue together a similar solution that does exactly what you want? 1: https://jvns.ca/blog/2021/01/23/firecracker--start-a-vm-in-less-than-a-second/ https://jvns.ca/blog/2021/01/23/firecracker--start-a-vm-in-l...