app.js

var express = require('express');
var bodyParser = require('body-parser');


var app = express();
var port = process.env.PORT || 1337;

app.use(bodyParser.urlencoded({extended: true}));

app.get('/', function(req, res) {res.status(200).send('Server Running!'); });


app.listen(port, function() {
  console.log('listening to port' + port);
});


app.post('/hello', function (req, res, next) {
  var userName = req.body.user_name;
  var botPayload = {
    text : 'Hello ' + userName + ', welcome to Cardiovascular Imaging Lab! I\'ll be your guide.'
  };
  // Loop otherwise..
  if (userName !== 'slackbot') {
    return res.status(200).json(botPayload);
  } else {
    return res.status(200).end();
  }
});