This is a playground for gRPC Go which has several tutorials and sample implementations.
Pre installed
# Install `protoc`
$ brew install protobuf
# Install protoc-gen-go which is a plugin for `protoc`
$ go get -u github.com/golang/protobuf/protoc-gen-go
# (May need) Add to $PATH
$ export $PATH=$GOHOME/bin:$PATH