I too have been doing the same. It's surprisingly simple and elegant. I prefer 'ports and adapters, aka hexagonal architecture', but there are many alternatives

I too have been doing the same. It's surprisingly simple and elegant. I prefer 'ports and adapters, aka hexagonal architecture', but there are many alternatives. This is what prompted me to write this article: the simplicity, elegance and maintainability of those codebases that had domain logic separated from delivery and storage mechanisms.