Spring Boot for Microservices

In this tutorial, we will build our first microservice with Spring Boot. We will see how to set up the project, implement the core features, and prepare the service for a microservices architecture.

Project Setup

Prerequisites

• Java 17 or later
• Maven or Gradle
• IDE (IntelliJ IDEA, Eclipse, VS Code)
• Git

Creating the Project

1. Using Spring Initializr

   Visit start.spring.io and configure your project:

   • Project: Maven
   • Language: Java
   • Spring Boot: 3.2.x
   • Java: 17
   • Dependencies:
     • Spring Web
     • Spring Data JPA
     • H2 Database
     • Lombok
     • Spring Boot DevTools

2. Project Structure

   src/
   ├── main/
   │   ├── java/
   │   │   └── com/example/
   │   │       └── microservice/
   │   │           ├── MicroserviceApplication.java
   │   │           ├── controller/
   │   │           ├── service/
   │   │           ├── repository/
   │   │           ├── model/
   │   │           └── config/
   │   └── resources/
   │       └── application.yml
   └── test/
       └── java/
           └── com/example/
               └── microservice/