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Auto-Configuration

Demystifying Spring Boot Auto-Configuration: A Deep Dive into the Magic (2025 Edition)

·1547 words·8 mins
Spring Boot Architecture Best Practices Spring-Boot-3 Java-21 Auto-Configuration Custom-Starter Backend-Development
For many Java developers, Spring Boot feels like magic. You add a dependency like spring-boot-starter-web to your build file, and suddenly, without a single line of XML or explicit Java configuration, you have a running Tomcat server with Spring MVC configured and ready to serve JSON.