Mars Rover Programming Kata using DDD+TDD+Ports and Adapters

A few weeks ago I came across this Mars Rover programming challenge/kata and being a bit of a space buff, I thought I will take a crack at it.

Building an Event Driven Architecture – Lessons Learned

In this somewhat of a long post, I will go over some of the lessons I and my team learned while building an event driven architecture at work, why did we build it, recommendations and watch-outs for anyone else thinking of doing the same. This is more of a field report from a real life environment so there is a generous helping of pragmatism around architecture and careful and deliberate avoidance of dogma and purism.

Implementing Hexagonal Ports and Adapters Architectural Style

Many articles talk about the what of this style but in my view, not enough talk about the how. In this post, I am going to try and show one way to actually structure the solution to be more in line with the hexagonal ports and adapters style.