https://gurkanucar.com/tags/clean-architecture/ Recent content in Clean Architecture on Gürkan UÇAR Hugo en-US Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/clean-architecture-adapter-and-strategy-spring-boot/ Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/clean-architecture-adapter-and-strategy-spring-boot/ Two different external companies, two incompatible APIs, one domain model. The Adapter pattern gives them a common language in Spring Boot, while Strategy decides which one should run: at startup with @ConditionalOnProperty or per request with a factory. https://gurkanucar.com/posts/chain-of-responsibility-spring-boot/ Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/chain-of-responsibility-spring-boot/ Instead of managing many business rules in one service, use Chain of Responsibility and a pipeline to make the rules independent, testable and easy to extend. https://gurkanucar.com/posts/facade-pattern-spring-boot/ Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/facade-pattern-spring-boot/ Instead of dealing with payment, ticketing, baggage, notification and loyalty systems one by one in a booking flow, the Facade Pattern puts the whole workflow behind a single interface.