Modern Caching with Redis in Spring Boot 3 Applications

In this story, we’ll explore how to implement caching in a Spring Boot 3 application using Redis.

· Prerequisites
· Overview
∘ Why Redis for Caching?
∘ Flowchart of the caching mechanism
∘ Setting up a Redis Instance
· Let’s code
∘ Redis Configuration
∘ Caching in the Service Layer
∘ Controller layer
· Test the REST APIs
· Conclusion
· References

Prerequisites

This is the list of all the prerequisites:

• Docker / Docker-compose installed (optional if you’ve already downloaded and installed Redis)
• Spring Boot 3
• Maven 3.6.3 or later
• Java 21
• IntelliJ IDEA, Visual Studio Code, or another IDE
• Postman / insomnia or any other API testing tool.

Overview

Caching is a fundamental performance optimization technique in modern web applications. The Spring Framework provides support for transparently adding caching…