Recommended by giants like Netflix and Amazon, the Hexagonal or Ports & Adapters architecture simplifies testing, protects against business logic leakage, supports changing technologies in long-running system, and lets you apply Domain Driven Design. In this definitive book on the subject, pattern author Dr. Alistair Cockburn and Juan Manuel Garrido de Paz lay bare all of the intricacies of the pattern, providing sample code and answering your many frequently asked questions.

"Looking at the screen of my laptop, I realized that it was full of code that didn't let me understand what it did regarding business logic. From that moment I began to search until I discovered the architecture that decouples the business logic from the frameworks: Hexagonal Architecture, more correctly called Ports & Adapters. From that moment until now, I haven't stopped reading and learning about this pattern."

About the Author

Dr. Alistair Cockburn (pronounced CO-BURN) was named as one of the "42 Greatest SoftwareProfessionals of All Times" in 2020, as a world expert on methodologies, project management, software architecture, use cases and agile development. He co-authored both the Agile Manifestoand the Project Management Declaration of Inter-dependence. Since 2015 he has been workingon expanding agile to cover every kind of initiative, including social impact project, governments, and families. For his latest work, see https: //alistaircockburn.com/.

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