foreman start -f Procfile.dev

• Create product

curl --request POST \
  --url http://localhost:3000/clients \
  --header 'content-type: application/json' \
  --data '{
	"name": "iPhone 11",
	"price": 4444
}'

• Get products

curl --request GET \
  --url http://localhost:3000/clients

• Get product

curl --request GET \
  --url http://localhost:3000/clients/1

• Create a normal rails project by:

rails new <project_name>

• Add proto file

In my case it is app/proto/Products.proto

• Generate gRPC services code

./bin/generate_protos.sh

• Create gRPC Server controller Checkout app/rpc/products_controller.rb

• How to run up gRPC server?

bundle exec gruf --host=localhost:9003

and your gRPC server will run on port 9003

• Implement Client controller Checkout app/controllers/clients_controller.rb

• Run up client as normal rails application

rails s

Your client app will run on port 3000, and we can send a normal HTTP request to this port