Baeldung Eureka

Baeldung Eureka is a Java library that provides service discovery and registration capabilities for microservices. It is part of the Spring Cloud suite of libraries and is based on Netflix's Eureka.

Features

• Service Discovery: Eureka allows services to discover each other without the need for hard-coded, static service endpoints.
• Service Registration: Services can register themselves with Eureka to enable discovery by other services.
• Load Balancing: Eureka has built-in load balancing capabilities to distribute requests to multiple instances of a service.
• Service Health Monitoring: Eureka can monitor the health of services and remove any instances that are no longer healthy.
• Self-Preservation Mode: Eureka has a self-preservation mode that prevents the accidental removal of healthy instances due to network issues.

Getting Started

To get started with Baeldung Eureka, add it as a dependency to your project using a build tool such as Gradle:

dependencies {
    implementation 'com.baeldung:eureka-client:0.0.1-SNAPSHOT'
}

Next, add the necessary configuration to your Spring Boot application:

spring:
  application:
    name: example-service

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/

Finally, add the @EnableDiscoveryClient annotation to your main application class to enable service discovery and registration:

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

Conclusion

Baeldung Eureka is a powerful library for implementing service discovery and registration in microservice architectures. With its built-in load balancing and health monitoring capabilities, it simplifies the process of building scalable and resilient microservices.