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End-to-End System Design in Spring Boot with an Efficient Reactive Framework

Rishi
AWS Tip
Published in
2 min readFeb 6, 2025

Introduction

As modern applications demand high throughput, low latency, and efficient resource utilization, traditional synchronous architectures may fall short. A reactive approach in Spring Boot, using Spring WebFlux and Project Reactor, provides a non-blocking, event-driven model for handling high concurrency with minimal resource consumption.

This blog presents a step-by-step guide to designing an efficient end-to-end system in Spring Boot with a Reactive Framework.

Key Components of a Reactive System

  1. Reactive Programming Paradigm — Event-driven, non-blocking, and backpressure-supported.
  2. Spring WebFlux — A reactive alternative to Spring MVC.
  3. Reactive Data Access — Using R2DBC for relational databases or MongoDB Reactive Streams for NoSQL.
  4. Messaging with Kafka or RabbitMQ — Efficient event-driven communication.
  5. Reactive Security — Non-blocking authentication and authorization.
  6. Observability — Metrics and logging with Micrometer & Prometheus.

Step 1: Setting Up Spring Boot with WebFlux

Create a new Spring Boot project with the following dependencies:

<dependency>
<groupId>org.springframework.boot</groupId>

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Written by Rishi

Tech professional specializing in Java development and caching logic with expertise in SaaS and automation. https://rishi-preethamm.blogspot.com

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