Event Sourcing and CQRS are possibly the most fascinating architectural patterns in the software world, especially when combined with an event-driven architecture (EDA). In this article, we explain both patterns highlighting advantages and disadvantages of these approaches. In the conclusion, … Read more
If you’re thinking of adopting GitOps or want to know more about it, this is the right article for you. I’ll explain it and show its benefits, but most importantly I’ll cover the drawbacks which are not mentioned by other … Read more
In this article, I cover the “Backend for Frontend” pattern mentioned by Sam Newman in his “Building Microservices” book. You can also find the same content in video format on my YouTube channel. Introduction There are times when the typical … Read more
Stop making microservices the goal of your architecture. There’s nothing more complex to build and operate than a distributed system. That’s why we really need to have good reasons to adopt a “microservices architecture”. If you search the web for … Read more
In this article, we explain the concept of anemic model which is extremely common in modern applications. We also try to identify why anemic models are so popular, as well as proposing solutions to mitigate this issue. What is an … Read more
Domain Driven Design (DDD) is one of the pillars of object oriented software development. You must understand it really well if you want to produce future proof code and designs. Despite it looks intimidating to most developers, the concepts of … Read more
In this article, we will explain what are REST APIs, also known are RESTful APIs, and how we can design them and implement them quickly. What is an API? First we need to define what an API is. An API … Read more
One of the advantages of using Docker images is that they are portable. However, portability is directly related to the size. A mobile phone wouldn’t be really “mobile” if it weighed 10 Kg. The same applies to Docker images. We … Read more
Immutable Kubernetes Pods are absolutely necessary if you are deploying your applications in a containerized environments and you want them to be secure. Despite this, most developers and teams do not use immutable pods. In this tutorial, I will explain … Read more
In this tutorial, I will show you how to install and learn the basics of Kubernetes in just 10 minutes. We will be using a super-lightweight certified distribution of Kubernetes: MicroK8s by Canonical. This distribution requires very little resources and … Read more