Tag: Software Architecture

Clean Architecture + Bounded Contexts diagram

I’m happy to release a two Clean Architecture + Bounded Contexts diagrams into the public domain (CC0 1.0). I created these diagrams for Wikimedia Deutchland with the help of Jan Dittrich, Charlie Kritschmar and Hanna Petruschat. They represent …

Clean Architecture + Bounded Contexts

In this follow-up to Implementing the Clean Architecture I introduce you to a combination of The Clean Architecture and the strategic DDD pattern known as Bounded Contexts. At Wikimedia Deutschland we use this combination of The Clean Architecture …

Bounded Contexts in the Wikimedia Fundraising Software

In this follow-up to rewriting the Wikimedia Deutschland fundraising I tell the story of how we reorganized our codebases along the lines of the DDD strategic pattern Bounded Contexts. In 2016 the FUN team at Wikimedia Deutschland rewrote …

Generic Entity handling code

In this blog post I outline my thinking on sharing code that deals with different types of Entities in your domain. We’ll cover what Entities are, code reuse strategies, pitfalls such as Shotgun Surgery and Anemic Domain Models …

Simple is not easy

Simplicity is possibly the single most important thing on the technical side of software development. It is crucial to keep development costs down and external quality high. This blog post is about why simplicity is not the same …

Implementing the Clean Architecture

Both Domain Driven Design and architectures such as the Clean Architecture and Hexagonal are often talked about. It’s hard to go to a conference on software development and not run into one of these topics. However it can …

Clean Architecture diagrams

I’m happy to release a few Clean Architecture related diagrams into the public domain (CC0 1.0). Update 2018-9-9: new diagrams featuring Bounded Contexsts are now available! These diagrams where created at Wikimedia Deutchland by Jan Dittrich, Charlie Kritschmar …