Software Architecture with Spring 5.0

Implementing a service registry client

Previously, we mentioned that a load balancer used to be used to offer high scalability by using more than one server as a backend. Eureka works in the same way, but the main benefit is that you won't need to add any configuration in the service registry when more instances of a server are provisioned. Instead, every instance should let Eureka know that it wants to be registered.

Registering a new service is quite simple. You just need to include the following dependency:

compile ('org.springframework.cloud:spring-cloud-starter-netflix-eureka-client')

The service application class should include an additional annotation that will be discovered, as follows:

@EnableDiscoveryClient@SpringBootApplication ...