• node: This requires Node 0.10.x or greater.
• homebrew on Mac OS X. This simplifies the installation of the gRPC C core.

• Install gRPC Node

• Install this package's dependencies

  $ cd examples/node
  $ npm install

• Run the server

  $ # from this directory (grpc_common/node).
  $ node ./greeter_server.js &

• Run the client

  $ # from this directory
  $ node ./greeter_client.js

This directory has a copy of helloworld.proto because it currently depends on some Protocol Buffer 2.0 syntax that is deprecated in Protocol Buffer 3.0.

You can find a more detailed tutorial in gRPC Basics: Node.js