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Event-Driven Architecture in Golang

Event-Driven Architecture in Golang

By : Michael Stack
4.9 (11)
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Event-Driven Architecture in Golang

Event-Driven Architecture in Golang

4.9 (11)
By: Michael Stack

Overview of this book

Event-driven architecture in Golang is an approach used to develop applications that shares state changes asynchronously, internally, and externally using messages. EDA applications are better suited at handling situations that need to scale up quickly and the chances of individual component failures are less likely to bring your system crashing down. This is why EDA is a great thing to learn and this book is designed to get you started with the help of step-by-step explanations of essential concepts, practical examples, and more. You’ll begin building event-driven microservices, including patterns to handle data consistency and resiliency. Not only will you learn the patterns behind event-driven microservices but also how to communicate using asynchronous messaging with event streams. You’ll then build an application made of several microservices that communicates using both choreographed and orchestrated messaging. By the end of this book, you’ll be able to build and deploy your own event-driven microservices using asynchronous communication.
Table of Contents (18 chapters)
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1
Part 1: Event-Driven Fundamentals
5
Part 2: Components of Event-Driven Architecture
12
Part 3: Production Ready

Summary

We covered a lot about event sourcing and went into a lot of the interfaces, structs, and types used to create an event sourcing implemention in Go. We started off by making a pretty big change to the simple events model used in the last chapter. This was followed by updates to the aggregate model and an entirely new package.

We also learned about a type of registry for recallable data structures and how it is implemented and used. Refactoring for event handlers was introduced, which shaved a good number of lines from the repository, which is always a good thing.

Introducing CQRS and implementing read models could not be avoided, but working through it and implementing it revealed it to not be such a confusing or complicated pattern, thanks in part to the work from the previous chapter, of course.

We closed out the chapter by implementing snapshots in the application and covered why and when you would use them in your own applications.

I did mention twice, and this...

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