My bad. Well, it's Excalidraw, and you can download png / svg from it.

Here's image you can open on the phone https://pbs.twimg.com/media/HGjHvSsWIAAkhHL?format=jpg&name=...

I also did a post explaining reasoning behind this diagram: https://x.com/br11k_dev/status/2047105958451507268

But I'll make a proper post on HN once I have all ingredients ready!

- Minimal CLI tooling

- Jupyter Lab you can go through step by step, on example greenfield project (URL shortener app)

- Blog post on what I've been doing for last 2 months