Hands-On Microservices with Spring Boot and Spring Cloud

Service discovery with Netflix Eureka in Spring Cloud

Netflix Eureka implements client-side service discovery, meaning that the clients run software that talks to the discovery service, Netflix Eureka, to get information about the available microservice instances. This is illustrated in the following diagram:

The process is as follows:

1. Whenever a microservice instance starts up—for example, the Review service—it registers itself to one of the Eureka servers.
2. On a regular basis, each microservice instance sends a heartbeat message to the Eureka server, telling it that the microservice instance is okay and is ready to receive requests.
3. Clients—for ...