Mastering Spring Cloud

Integration with service discovery

The static route configuration presented in the previous example is not enough for a microservice-based system. The main requirement for an API gateway is a built-in integration with service discovery. To enable service discovery with Eureka for Zuul, we have to include the spring-cloud-starter-eureka starter in the project dependencies and enable the client by annotating the application's main class with @EnableDiscoveryClient. In fact, it does not make sense to let the gateway register itself in discovery server, it must only fetch the current list of registered services. So we would disable that registration by setting the eureka.client.registerWithEureka property to false. The route's definition in the ...