Active health check strategies with Spring Cloud Gateway

Nowadays, applications are built as a collection of small independent upstream services. This accelerates development and allows modules to be focused on specific responsibilities, increasing their quality. This is one of the main advantages of using a microservice approach. However, jumping from one service to another can add extra latency, and this latency can be dramatically higher when the services are not responding.

If you run microservices, you want to prevent your upstream services from being called when they are not working…