Not based on guesses or pet projects. Experience comes from development of a real product
Testing is not conveniently passed over in silence. Tests accompany code as they are equally important
Code examples are in Python. There are also remarks about other leading programming languages
No filler chapters included. Only actionable, practical advice - out of respect for readers' time
Software design is a game of trade-offs. The Clean Architecture makes some too - they are cleanly exposed
There are many ways to extend the Clean Architecture. The book shows how to do it with CQRS and Event Sourcing
Neither database nor framework should shape your application. Business needs should. Unfortunately, it might have got out of sight due to years spent on writing Django- or Rails-like web applications with Active Record ORMs.
The Clean Architecture is an approach that puts your customer’s concerns in the centre of software. All other issues, such as persistence are treated as implementation details. This is achieved thanks to a careful layering of the project.
As a result, business rules are decoupled from frameworks and 3rd party services. Therefore you can rapidly prototype and test core value. Everything has its place, which makes i.e. onboarding new team members a breeze. Last, but certainly not least – as time passes and project grows the Clean Architecture lets you maintain order and remain flexible.
The credit for the original concept goes to Robert C Martin - see article
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