https://blog.rafaelfernandez.dev/tags/clean-architecture/ Recent content in Clean-Architecture on Home Hugo -- gohugo.io en © 2026 Rafael Fernandez Wed, 01 Apr 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/criteria4s-4-your-domain-has-no-database/ Wed, 01 Apr 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/criteria4s-4-your-domain-has-no-database/ How to use T <: CriteriaTag as a hexagonal port so your domain layer never imports a dialect. The database becomes a deployment decision. https://blog.rafaelfernandez.dev/posts/criteria4s-4-your-domain-has-no-database/ Wed, 01 Apr 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/criteria4s-4-your-domain-has-no-database/ How to use T <: CriteriaTag as a hexagonal port so your domain layer never imports a dialect. The database becomes a deployment decision. https://blog.rafaelfernandez.dev/posts/todo-cli-rust-2-immutable-domain-typed-errors/ Mon, 12 Jan 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/todo-cli-rust-2-immutable-domain-typed-errors/ In this part we model the heart of the project: the Task entity, its immutable transitions, and a taxonomy of errors by layers. Less magic, more explicit rules, and fewer surprise bugs.