Routing and Load Balancing with Spring Cloud Gateway

Introduction

Spring Cloud Gateway provides a simple, effective way to route to APIs and provides an alternative to Netflix Zuul.

Architecture Diagram

Spring Cloud Gateway Architecture

Source: Medium

Setting Up Gateway

1. Add Dependencies:

xmlCopy
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>

2. Configure application.yml:

yamlCopy
spring:
  cloud:
    gateway:
      routes:
        - id: product-service
          uri: lb://PRODUCT-SERVICE
          predicates:
            - Path=/products/**

Conclusion

Spring Cloud Gateway simplifies the process of routing and load balancing, providing a unified API gateway for microservices.