- protoc -I proto/ proto/book.proto --go_out=plugins=grpc:v1_book_grpc/
go get -u github.com/golang/protobuf/proto
go get -u github.com/golang/protobuf/protoc-gen-go
go get -u github.com/golang/protobuf/proto
go get -u github.com/golang/protobuf/protoc-gen-go