Hexagonal Architecture in Practice, the Live Coding That Will Make Your Apps Plain... (live)
summary
A live-coding session refactors a Java + Spring Boot codebase into hexagonal architecture, introducing a domain module with input ports (PI) and output ports (SPI). It implements a FlitAssembler to satisfy a functional test for 1050 passengers and builds a StarshipInventory adapter using a WireMock-backed SWAPI client to normalize messy passenger strings. The demo includes unit, integration and controller tests, a stubbed inventory for prod-like staging, and a successful end-to-end run.
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chapters (8)
- 0:00Introduction
- 2:25Layered architecture problems
- 8:49Hexagonal architecture principle
- 13:20Live coding: domain and tests
- 23:59Live coding: controller and infrastructure
- 34:27Live coding: external client and adapter
- 44:05REST evolution and versioning
- 47:15Conclusion
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