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Derek Comartin

CQRS Myths: 3 Most Common Misconceptions

Although Command Query Responsibility Segregation (CQRS) seems to be a term a lot of developers are aware of, I do think the majority have the wrong definition. Like many terms in the software development industry, things over time get confused, and then those confusing ideas propagate. These are the 3 CQRS Myths I see or hear the most often. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything that is in this post. CQRS Myths I do understand why people can be confused by CQRS as if… Read More »CQRS Myths: 3 Most Common Misconceptions

Organizing Code by Feature using Vertical Slices

I’ve written about organizing code by feature and vertical slices instead of technical concern quite a bit on this blog. However, it doesn’t seem to have caught on as much as I’ve hoped. I’m always seeing posts on Twitter about this concept where people finally catch on and make the discovery. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything that is in this post. Technical Concern I’ve always found it interesting that layers or technical concerns ended up being seemingly the most important thing when organizing… Read More »Organizing Code by Feature using Vertical Slices

Defining Service Boundaries by Splitting Entities

Defining Service Boundaries is a really important part of building a loosely coupled system, yet can often be difficult. Here’s one way of realizing where service boundaries lie but looking at Entities and the properties and how they relate. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything that is in this post. Catalog For the purpose of this example, I’m going to use an e-commerce, distribution domain. Don’t worry too much if you don’t know distribution. At a high level, you buy products from vendors, store… Read More »Defining Service Boundaries by Splitting Entities