### gRPC with REST/JSON

1. `go get -u github.com/gengo/grpc-gateway/protoc-gen-grpc-gateway`
1. `go get -u github.com/gengo/grpc-gateway/protoc-gen-swagger`
1. Follow guide on [gengo/grpc-gateway](https://github.com/gengo/grpc-gateway#usage).