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Spring Boot Auto Configuration Explained | How It Works
Learn how Spring Boot Auto Configuration works, its benefits, and how to customize it using @Conditional, @EnableAutoConfiguration, and spring.factories.
3 min readMar 3, 2025
🚀 Introduction to Spring Boot Auto Configuration
Spring Boot simplifies application development by automatically configuring beans and dependencies based on the application’s context. This feature is called Auto Configuration, which eliminates the need for manual configurations in Java-based configuration or XML files.
✅ Why Use Auto Configuration?
✔ Reduces Boilerplate Code — No need for explicit configurations.
✔ Simplifies Dependency Management — Automatically configures beans based on dependencies.
✔ Faster Development — Eliminates the need for repetitive configurations.
✔ Customizable — Can be enabled, disabled, or overridden.
📌 In this guide, you’ll learn:
✅ How Spring Boot Auto Configuration Works
✅ How to Customize or Disable Auto Configuration
✅ How to Create Custom Auto Configuration
