eak-deploy-to-heroku.sh

#!/bin/bash

rm -rf tmp && \
  grunt build:dist && \
  git clone . tmp/deploys && \
  cd tmp/deploys && \
  git checkout deploys && \
  cp -pr ../public . && \
  git add . && \
  git commit -m "New deploy" && \
  git remote add heroku git@heroku.com:YOURAPP.git && \
  git push heroku deploys:master -f && \
  echo "All done!"

Procfile

web: node server.js

server.js

var connect = require('connect');

var app = connect()
  .use(connect.logger('dev'))
  .use(connect.static('public'))
  .listen(process.env.PORT || 3000);