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Derek Comartin

How I became a software architect… (or not)

How did I get involved in software architecture & design? Do I think of myself as a software architect? Here are some insights about my career, which have helped me and ultimately led me to YouTube and produce videos about software architecture and design. Here’s a bit about my journey writing in software. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Operations I’ve always been involved in IT infrastructure and operations. Before working professionally as a software developer, I was interested in how software runs. Setting… Read More »How I became a software architect… (or not)

Have you replaced your DB because of the Repository Pattern?

Have you been able to replace your database implementation transparently because of the use of the repository pattern? While this is a controversial question and topic, I will explain why it doesn’t need to be. Sure, you’re creating an abstraction, but an abstraction around what? YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Repository Pattern First, we need to agree on the definition of the Repository Pattern. I will use the definition in the Patterns of Enterprise Application Architecture. Conceptually, a Repository encapsulates the set of… Read More »Have you replaced your DB because of the Repository Pattern?

Distributed isn’t Microservices, In-Process isn’t a Monolith

Amazon Prime Video moved one of its monitoring services from “microservices” to a “monolith”. I’m using quotes because that’s how they termed it in the post, which did themselves a disservice by making this statement. Almost every blog post or video covering this has missed the mark. All they did was refactor. This has nothing to do with microservices or a monolith. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Original Architecture You can check out the original blog post from Amazon Prime Video, but here’s… Read More »Distributed isn’t Microservices, In-Process isn’t a Monolith