# Architecture

Design decisions with consequences. How a model registry should be shaped, where to put the boundaries in an ML framework, and how those choices constrain everything built on top of them later.

1 post

Ubunye Engine Part 2: The Model Registry and Hexagonal Architecture

March 6, 2026

The model registry was where the project went from interesting framework to something a team could actually use in production. The design principle behind it turned out to be the most significant architectural decision in the entire project.

open source engineering python mlops ubunye series architecture