Ask HN: Build it yourself SWE blogs?

This [1] blog post is particularly educational for various reasons:

1. Organized neatly, each building block's steps are explained concisely.

2. The toy example can broadly be used to one's use case.

3. Straight to the point, this is rare nowadays with the LLM generated posts of "content creators"

Are there other nice blogs posts creating tech tools from scratch with the clarity and smoothness showed by Karboosx ?

[1] https://karboosx.net/post/4eZxhBon/building-a-simple-search-engine-that-actually-works