Field notes.

Practical notes from backend engineering and building products, plus occasional writing about business, family, and ambition.

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7 notes for “Infrastructure”

9 min read

The Small Model That Knows One Job

Tobi Lutke shared a tiny Shopify model beating a frontier model at one internal job. I wanted to know what that result really says, and whether the same idea is useful for PLAYGRND.

9 min read

Every Useful Agent Eventually Needs a Computer

I started with Grok Bot and ended up looking at the infrastructure underneath every agent that is allowed to do real work. Daytona is one of the more interesting bets, but this market will be won on trust, not demos.

12 min read

When an HTTP Request Starts Carrying Money

What x402, Coinbase, Cloudflare, and always-on agents such as Grok Bot reveal about the next payment layer of the internet - and where Bitcoin fits.

13 min read

How I Think About Asymmetric Bets

A personal framework for finding durable upside in technology, from steam and electricity to language models, AI agents, Bitcoin, and whatever comes next.

11 min read

How Far Can One Hetzner Server Go?

A concrete capacity model for a one-server Hetzner setup: what breaks first, which metrics matter, and what I would build next on the path to 10 million users.

15 min read

When One Server Is Not Enough

A practical follow-up to the one-server setup: what I would do when a small app turns into a real business and the server starts running out of room.

11 min read

How I'd Run a One-Person Internet Company on One Server

A technical manual for running a one-person internet company on Hetzner with Cloudflare, Caddy, PostgreSQL, Redis, systemd, GitHub Actions CI/CD, R2 backups, mobile Codex operations, and resource limits.