Service Discovery with Netflix Eureka in Spring Boot Applications

Overview

In microservices architectures, service discovery is crucial. Netflix Eureka provides a REST-based service for locating services for the purpose of load balancing and failover of middle-tier servers.

Architecture Diagram

Eureka Service Discovery Architecture

Source: Medium

Setting Up Eureka Server

1. Add Dependencies:

xmlCopy
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>

2. Enable Eureka Server:

javaCopy
@EnableEurekaServer
@SpringBootApplication
public class EurekaServerApplication {
    public static void main(String[] args) {
        SpringApplication.run(EurekaServerApplication.class, args);
    }
}

3. Configure application.yml:

yamlCopy
server:
  port: 8761
spring:
  application:
    name: eureka-server

Conclusion

Implementing Eureka Server facilitates efficient service discovery, enhancing the resilience and scalability of microservices.