Create a Custom Spring Boot Starter | Step-by-Step Guide

Learn how to create a custom Spring Boot Starter from scratch. Build an auto-configurable library using @EnableAutoConfiguration, spring.factories, and @Conditional annotations.

🚀 Introduction to Spring Boot Starters

Spring Boot Starters are dependency bundles that help developers quickly add functionality to their projects without manual configurations.

Example:
✔ spring-boot-starter-web – Adds dependencies for building web applications.
✔ spring-boot-starter-data-jpa – Configures JPA and Hibernate automatically.

🔹 Why Create a Custom Spring Boot Starter?
✅ Modularity — Encapsulates reusable functionality into a single dependency.
✅ Scalability — Helps in large projects and microservices architectures.
✅ Simplifies Development — Reduces boilerplate code in multiple projects.

📌 In this guide, you’ll learn:
✅ How to create a custom Spring Boot Starter from scratch.
✅ How to implement Auto Configuration using spring.factories.
✅ How to register beans conditionally for better flexibility.