Run the client and microservice separately in two different terminal windows for local testing and development.
This code is created add a bootstrap example on how to create new microservices and a RESTful client that utilizes gRPC microservices in that background.
Send a POST request via Postman or your favorite API testing software to the client server. It should be running on port 3000.
API URL: http://localhost:3000/add
Body of POST request in JSON: { "data": [0, 1, 2] }