> AWS built [Firecracker (which is built on KVM)] to power Lambda and Fargate [2], where they need to quickly spin up isolated environments for running customer code. Companies like E2B use Firecracker to run AI generated code securily in the cloud, while Fly.io uses it to run lightweight container-like VMs at the edge [4, 5].
By setting up an image with wasmtime for example.
> and what are the advantages to running WASM workloads with firecracker or microsandbox?
I can think of stronger isolation or when you have legacy stuff you need to run alongside.