Ok, I can finally formulate what I meant. Looking at the dictionary: "Domain - a specified sphere of activity or knowledge." Uber domain is ride sharing. Indeed, it has multiple subdomains, which deal with finances for drivers, finances for passengers, reviews, all that. I can't imagine a discussion "how big…

I wrote a page about domain events for Eventuous documentation today. It landed as a blog article, so I decided to publish it separately as such. Concept If you ever read the Blue Book, you’d notice that the Domain Event concept is not mentioned there. …

During the last year, I’ve done quite a few webinars, talks and workshops about Event Sourcing. A lot of time, the audience answered a question: when I should not use this pattern. In broader terms, the question appeared during the Ask me anything with Udi Dahan session organised by Virtual…

When I was looking around to find a decent managed Kubernetes offering for my own hobby project, I found this article on Medium: How To Run The Cheapest Kubernetes Cluster at $1 Per Day. The figures confused me as I personally calculated the costs of a three-node cluster of identical…

I wrote this article for my blog in June 2020. Here is the link to it. This post is a part of the Myth Busting series, mainly about all the misconceptions about Event Sourcing here and there. …

Originally posted in my blog on June 5, 2019 I got quite a few questions from the readers of my book about the “missing chapter” and the part that should cover the user interface. Both are apparently missing from both the printed and electronic version. As I mentioned in my…

For quite a while I hesitated to write this story, but I decided that now it is time. It is a story of misinterpretation and bias that come from people that we consider as leaders in the software industry, the things they proclaim and promote and how it is related…

I would like to share my experience to create a small Kubernetes cluster on Azure Container Service (AKS Preview) and deploy GitLab CE on it using the Helm chart. Creating a cluster in AKS should be an easy task but sometimes things don’t go at they suppose to. There are…

A few years ago I attended the famous Greg Young’s course (actually, both of them) at SkillsMatter and Greg asked me at the end if I am staying for DDD Exchange. I never heard of the conference before that day and decided that one day I would definitely go. …