- Run golang gRPC server
$ cd path/to/dir/go
# listen gRPC server on port 5300
$ go run server.go
- Run Rails gRPC client server
$ cd path/to/dir/ruby
$ bin/rails s
$ cd path/to/dir/go
# listen gRPC server on port 5300
$ go run server.go
$ cd path/to/dir/ruby
$ bin/rails s