protobuf compiler protoc v3
Go lang protobuf plugins
$ go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
$ go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2
./generate_protos.sh
server
# in golang-grpc folder
$ go run go run server/server.go
client
# in golang-grpc folder
$ go run go run client/client.go