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Derek Comartin

Message Driven Architecture to DECOUPLE a Monolith

Message driven architecture doesn’t need to apply just to Microservices. You can apply a Message Driven Architecture to a Monolith to decouple concerns. Consuming Commands and Events to handle concerns into their isolated units. The asynchrony and isolation will also enable your application to be more reliable and resilient. 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. Monolith Just because you’re developing a monolith, doesn’t mean you can’t leverage a message driven architecture. Messaging isn’t simply about communicating with other services. You can… Read More »Message Driven Architecture to DECOUPLE a Monolith

Does CAP Theorem apply to Microservices?

Microservices are a distributed system so CAP Theorem must apply right? Well, that depends on how you define microservices and a distributed system! Microservices are defined as “loosely coupled services oriented architecture with bounded context”. SOA implies Event Driven Architecture. If your microservices are loosely coupled, they aren’t making direct RPC calls to each other. If this is the case, then there are no partitions that can occur between services. If services are a bounded context and own their own data, then there is no consistency between services. CAP does not apply to Microservices if they are loosely coupled and… Read More »Does CAP Theorem apply to Microservices?

Clean Architecture Example & Breakdown

Clean Architecture is pretty popular and I’ve been asked a lot about it directly and indirectly. I decided to take a Clean Architecture Example (Template) and give my thoughts about where I see value in using it, in which context, and what I don’t like about Clean Architecture and/or how it’s organized, in practice. 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. Clean Architecture Many people have asked me for my opinion on Clean Architecture. They have also pointed me to Jason Taylors… Read More »Clean Architecture Example & Breakdown