Welcome to the Spring Boot Getting Started guide! This tutorial will walk you through creating a simple Spring Boot application and deploying it. 🌐
What is Spring Boot? 📚
Spring Boot is a framework that simplifies building microservices and REST APIs with Java. It provides default configurations and embedded servers (like Tomcat) to reduce boilerplate code. 🌱
Step-by-Step Guide 🧰
Set Up Project
Use Spring Initializr to generate a project structure.Add Dependencies
IncludeSpring Web
andSpring Data JPA
in yourpom.xml
file.Create REST API
Define a controller class with@RestController
and@GetMapping
annotations.
Example:@RestController public class HelloController { @GetMapping("/hello") public String sayHello() { return "Welcome to Spring Boot!"; } }
Configure Database
Set upapplication.properties
for MySQL or PostgreSQL.spring.datasource.url=jdbc:mysql://localhost:3306/mydb spring.jpa.hibernate.ddl-auto=update
Run and Deploy
Usemvn spring-boot:run
to start the app. Deploy via Docker or cloud platforms like AWS.
Expand Your Knowledge 🔍
Happy coding! 🌟