Thoughts
Notes on software engineering, distributed systems, and the future of human productivity.
A Server That Bills Like a Function
Fluid compute makes a long-lived server bill like a function: it stops charging you for the I/O wait that classic serverless bills in full. That part is not virtualization magic, it's a worker pool and one counter in cgroups v2. I checked what I could rebuild on the same Hetzner box I run everything on, and where the box says no.
How to Build Your Own Vercel (Self-Hosted PaaS on a VPS)
A control-plane and data-plane tour of how a modern PaaS turns a git push into an immutable deployment, from the static-versus-server split to serverless cold starts and Vercel's Fluid compute, then an honest map of how to rebuild the same machine on a VPS you own.