Discover Hexagonal Architecture to create web applications with isolated, testable layers. Gain insights into designing clean, maintainable modules and advocating for suitable techniques for your application.

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This course will teach you all about creating a web application in the Hexagonal Architecture style. Hexagonal Architecture promotes the separation of concerns by encapsulating logic in different layers of the application. This enables a higher level of isolation, testability, and control over your business specific code. 

You will learn how to design software modules and complete applications in a clean and maintainable manner, while also learning how to advocate for a certain technique given your application and constraints.

By the end of this course, you will have a greater understanding of how to implement software architecture, a key skill for any senior developer.

Hexagonal Software Architecture for Web Applications

# How does this help me build maintainable software



Our architecture lets us implement the domain logic as we see fit, but if we model the input and output of our use cases independently, we avoid unwanted side effects.

Yes, it's more work than just sharing models between use cases. We have to introduce a separate model for each use case and map between this model and our entities.


Let's revisit how implementing a use case helps us build maintainable code. 

Conclusion: Implementing a Use Case

Let's revisit how implementing a use case helps us build maintainable code.

Before We Begin

What's Wrong with Layers?

Inverting Dependencies

Organizing Code

Implementing a Use Case

Implementing a Web Adapter

Implementing a Persistence Adapter

Testing Architecture Elements

Mapping Between Boundaries

Assembling the Application

Enforcing Architecture Boundaries

Taking Shortcuts Consciously

Assessment

Conclusion

Appendix

Conclusion: Implementing a Use Case

How does this help me build maintainable software