Heroku node.js buildpack

package.json

{
  "name": "AppName",
  "version": "0.0.0",
  "private": false,
  "author": "your-name",
  "devDependencies": {
  },
  "engines": {
    "node": "5.1.0",
    "npm": "3.4.1"
  },
  "scripts": {
    "test": "grunt test",
    "postinstall": "bower install"
  },
  "dependencies": {
    "bower": "1.7.1",
    "express": "4.13.3"
  },
  "cacheDirectories": ["node_modules"]
}

Procfile

web: node server.js

server.js

var express = require('express');
var app = express();

// set the port of our application
// process.env.PORT lets the port be set by Heroku
var port = process.env.PORT || 8080;

// make express look in the public directory for assets (css/js/img)
app.use(express.static(__dirname + '/app'));

// set the home page route
app.get('/', function(req, res) {

    // make sure index is in the right directory. In this case /app/index.html
    res.render('index');
});

app.listen(port, function() {
    console.log('Our app is running on http://localhost:' + port);
});