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STOP doing dogmatic Domain Driven Design

The mainstream thought on Domain Driven Design is about Entities, Value Objects, Aggregates, Repositories, Services, Factories… all kinds of technical patterns. Because of this, most don’t think they need Domain Driven Design because it’s complicated for their domain. Why would you need all that “stuff”? Well, maybe you don’t! In a large system, modeling your domain, defining boundaries, and how they relate is far more important than concerning yourself if you’re using the Repository pattern correctly. 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… Read More »STOP doing dogmatic Domain Driven Design

Competing Consumers Pattern for Scalability

The Competing Consumers Pattern enables messages from Message Queues (or Topics) to be processed concurrently by multiple Consumers. This improves scalability, availability but also has some issues that you need to consider such as message ordering and moving the bottleneck. 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. Competing Consumers Pattern Message Queues are a great way to offload work to be that can be handled separately by another process. Meaning if you have a web application that takes an HTTP request, it… Read More »Competing Consumers Pattern for Scalability

Highly COHESIVE Software Design to tame Complexity

What is cohesion and why should you care? Highly cohesive software design can reduce complexity and coupling. But what is cohesion? It’s the degree to which the elements inside a module belong together. How you group operations together can have a widely different outcome on Cohesion. Informational Cohesion is grouped by operations on data. Functional Cohesion is grouped by operations of a task. It’s directly related to the Single Responsibility Principle, which you might also have a different definition of. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything… Read More »Highly COHESIVE Software Design to tame Complexity