Spring Boot Architecture: Controller, Service, Repository, Database & Architecture Flow

Learn the layered architecture of Spring Boot, including Controller, Service, Repository, Model, and Database layers. Understand how data flows in a Spring Boot application with an easy-to-follow diagram.

🚀 Introduction to Spring Boot Architecture

Spring Boot is one of the most popular frameworks for building RESTful APIs and microservices in Java. It simplifies development by providing an opinionated, pre-configured environment, reducing boilerplate code, and ensuring scalability and maintainability.

For non-members, read this article for free on my blog: Spring Boot Architecture: Controller, Service, Repository, Database & Architecture Flow.

📌 Why Learn Spring Boot Architecture?

✅ Better Code Organization — Follow a well-defined structure.
✅ Scalability — Makes it easy to expand the application.
✅ Maintainability — Each layer has a clear responsibility.
✅ Faster Development — Simplifies API and database interactions.

In this guide, we’ll explore the Spring Boot Layered Architecture and how data flows between different components.