deploy.sh

#!/bin/bash

git pull origin master
npm install
node server.js &

gh-route.js

var path = require('path');
var spawn = require('child_process').spawn;
var createHandler = require("github-webhook-handler");

var handler = createHandler({
  path: '/deploy',
  secret: '***************************'
});

handler.on('error', function (err) {
  console.log('Error:', err.message)
});

handler.on('push', function (event) {
  setTimeout(function() {
    var shell = process.env.SHELL;
    var args = ['-c', 'bash deploy.sh'];

    var projectPath = '/home/dave/www/project-name';

    var opts = { cwd: projectPath };

    console.log('[GITHUB] Spawning...', opts);

    var spawnProcess = spawn(shell, args, opts);

    spawnProcess.on('close', function(exitCode) {
      console.log('[GITHUB] Spawn finished', exitCode);
      console.log('[GITHUB] Exiting...');
      console.log('-------------------------------------------------------');
    });

  }, 1000);
})

module.exports = function(req, res) {
  handler(req, res, function(err) {
    if (err) console.error(err);
    res.statusCode = 404;
    res.end('no such location');
  });
}