Get Your Hands Dirty on Clean Architecture by Tom Hombergs.png

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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

Let's try to address some of the issues of the "organize by layer" approach.

## Project structure

The next approach is to organize our code by feature:

```text
buckpal
└── account
    ├── Account
    ├── AccountController
    ├── AccountRepository
    ├── AccountRepositoryImpl
    └── SendMoneyService
```

## Explanation


Let's try to address some of the issues of the "organize by layer" approach.

# Project structure

The next approach is to organize our code by feature:

```text
buckpal
└── account
    ├── Account
    ├── AccountController
    ├── AccountRepository
    ├── AccountRepositoryImpl
    └── SendMoneyService
```

# Explanation


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

Organizing by Feature

Project structure

Explanation