node vagrant, docker test app

app.js

var fs = require('fs'),
	express = require('express'),
	app = express(),
	redis = require('redis').createClient(
		process.env.REDIS_PORT_6379_TCP_PORT || 6379,
		process.env.REDIS_PORT_6379_TCP_ADDR || '127.0.0.1',
		{}
	),
	server = require('http').createServer(app);

var getFiles = function () {
	var files = fs.readdirSync('/foo');
	var data = {};

	files.forEach(function (file) {
		var path = '/foo/' + file;

		if (fs.statSync(path).isFile(path)) {
			data[file] = fs.readFileSync(path, { encoding: 'utf8' });
		}
		else {
			data[file] = 'Not a File!';
		}
	});

	return data;
};


app.get('/', function(req, res) {
	res.json({
		status: redis ? "ok" : "not ok",
		files: getFiles()
	});
});

var port = process.env.HTTP_PORT || 5000;
server.listen(port);
console.log('Listening on port ' + port);