Understanding gRPC

gRPC is a modern, open-source, high-performance Remote Procedure Call (RPC) framework that can run in any environment. An RPC is when one computer calls a procedure in another process or on another computer over a network as if it were calling a local procedure. It is an example of a client-server architecture.

You can learn more about RPCs at the following link: https://en.wikipedia.org/wiki/Remote_procedure_call.

How gRPC works

A gRPC service developer defines a service interface for the methods that can be called remotely, including defining the method parameters and return types. The service implements this interface and runs a gRPC server to handle client calls.

On the client, a strongly typed gRPC client provides the same methods as on the server.

Defining gRPC contracts with .proto files

gRPC uses contract-first API development that supports language-agnostic implementations. A contract in this case is an agreement that...