To find the network locations of microservices, the service

discovery pattern is used in microservices applications.

▪ It will provide to register and discover microservices in the

cluster.

▪ API Gateways for routing the traffic with client and internal

microservices. How API Gateways access the internal

backend microservices ?

▪ Service discovery pattern uses a centralized server for

«service registry» to maintain a central view of microservices

network locations.

▪ Services update their locations in the service registry at

fixed intervals. Clients can connect to the service registry and

fetch the locations of microservices.

▪ There are 2 main service discovery patterns:

▪ Client-side service discovery

▪ Server-side service discovery

https://www.baeldung.com/cs/service-discovery-microservices