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Refactoring Module Dependencies

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Refactoring Module Dependencies

Martin Fowler walks through how to refactor modular dependencies to move towards effective microservice architectures.

· DevOps Zone
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The following originally appeared at Martin Fowler's blog:

As a program grows in size it's important to split it into modules, so that you don't need to understand all of it to make a small modification. Often these modules can be supplied by different teams and combined dynamically. In this refactoring essay I split a small program using Presentation-Domain-Data layering. I then refactor the dependencies between these modules to introduce the Service Locator and Dependency Injection patterns. These apply in different languages, yet look different, so I show these refactorings in both Java and a classless JavaScript style.

You can read the rest of this article at Martin Fowler's blog here

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Topics:
devops ,microservices ,architecture

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