Hexagonal Architecturoplasty of a Backend: Open‑Code Operation
summary
Shows how to revive an aging backend by migrating it to Hexagonal Architecture (Ports & Adapters) to separate types of software complexity and make maintenance, testing, and library upgrades easier. Uses an open-source, interactive mob-programming format to demonstrate concrete migration steps applicable across frameworks.
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chapters (16)
- 0:00Introduction
- 1:50Open Wide project
- 9:54Legacy diagnosis
- 15:23Refactoring failure lessons
- 18:11Approval tests introduction
- 23:11Refactoring strategy
- 31:22Business logic coupling
- 36:01Reducing cognitive load
- 44:04Hexagonal architecture
- 53:18Domain layer creation
- 1:02:55Dependency injection JS
- 1:11:37Functional tests business logic
- 1:29:03Hexagon infrastructure link
- 1:37:27Data migration integration tests
- 1:40:36Final assessment maintainability
- 1:45:09Q&A
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