In the case of a .NET monolithic application, if there is a need to access third-party components or external services, we use the HTTP client or another client framework to access the resources. In Chapter 2, Refactoring the Monolith, we developed the Product service in such a way that it could work independently. But this isn't beneficial for our application; we need a few services to interact with each other.
This is a challenge—having services communicate with each other. Both the Product service and the Order service are hosted on separate servers. Both of these servers are independent of each other, are based on REST, and have their own endpoints from which they communicate with each other. (When a service interacts with another service and vice versa, we refer to it as interservice...