Unikernels, without the marketing
TL;DR A unikernel is your app compiled together with only the OS pieces it really needs, producing a tiny binary that boots inside a microVM (e.g., Firecracker/KVM). Result: fast starts, small footprint, and stronger isolation than containers, at the cost of trickier tooling and ops around it. When I saw Prisma put “serverless” and “no cold starts” in the same breath for Prisma Postgres, my Lambda scars tingled 😄 ...