go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
go get google.golang.org/protobuf/cmd/protoc-gen-go@latest
go get google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
protoc --proto_path=proto proto/*.proto --go_out=pb --go-grpc_out=pb
brew install evans (https://github.com/ktr0731/evans)
evans -r repl --host localhost --port 3030