old_contents: var express = require('express');
  var bodyParser = require('body-parser');
  var twilio = require('twilio');
  var firebase = require('firebase');
  var _ = require('lodash');
  
  var config = require('./helpers/config');
  var handle_error = require('./helpers/error_handler');
  var utils = require('./helpers/utils');
  
  var urls = utils.urls;
  
  var ConsistentHashing = require('consistent-hashing');
  var cons = new ConsistentHashing(["server_1", "server_2", "server_3"]);
  var map_to_num = {};
  map_to_num["server_1"] = '+16313749574';
  map_to_num["server_2"] = '+16179016321';
  map_to_num["server_3"] = 'dummy_number';
  
  var get_fwd_number = function(request, response) {
    var twiml = new twilio.TwimlResponse();
    var sender = request.body['From'];
    var msg = request.body['Body'];
    var key = sender+msg
    var server = cons.getNode(key);
    console.log(map_to_num[server])
    send_msg(map_to_num[server], msg)
    response.send(twiml.message('HEY'));
  }
  
  var send_msg = function(to, msg) {
    var client = twilio(config.TWILIO_ACCOUNT_SID, config.TWILIO_AUTH_TOKEN);
    client.sendMessage({
      to: to,
      from: config.SENDING_NUMBER,
      body: msg,
    }, function(err, responseData) {
      if (err) {
        console.log('Error sending: ', err);
      }
      console.log(responseData.to);
      console.log(responseData.body);
    });
  };
  
  var app = express();
  app.use(bodyParser.urlencoded({
    extended: true
  }));
  
  app.post('/sms', twilio.webhook(config.TWILIO_AUTH_TOKEN), get_fwd_number);
  
  app.get('/', function(req, res) {
    res.send('Hello World!');
  });
  
  var server = app.listen(80, function() {
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Refuge listening at http://%s:%s', host, port);
  
  });
  // .on('error', function(err) {
  //   console.error('Cannot serve on port 80 without root privileges:');
  //   console.error('sudo node index.js');
  // });
  
  // module.exports = sms;
  
new_contents: var express = require('express');
  var bodyParser = require('body-parser');
  var twilio = require('twilio');
  var firebase = require('firebase');
  var _ = require('lodash');
  
  var config = require('./helpers/config');
  var handle_error = require('./helpers/error_handler');
  var utils = require('./helpers/utils');
  
  var urls = utils.urls;
  
  var ConsistentHashing = require('consistent-hashing');
  var cons = new ConsistentHashing(["server_1", "server_2", "server_3"]);
  var map_to_num = {};
  map_to_num["server_1"] = '+16313749574';
  map_to_num["server_2"] = '+16179016321';
  map_to_num["server_3"] = '+16313749574';
  
  var get_fwd_number = function(request, response) {
    var twiml = new twilio.TwimlResponse();
    var sender = request.body['From'];
    var msg = request.body['Body'];
    var key = sender+msg
    var server = cons.getNode(key);
    console.log(map_to_num[server])
    send_msg(map_to_num[server], msg)
    response.send(twiml.message('HEY'));
  }
  
  var send_msg = function(to, msg) {
    var client = twilio(config.TWILIO_ACCOUNT_SID, config.TWILIO_AUTH_TOKEN);
    client.sendMessage({
      to: to,
      from: config.SENDING_NUMBER,
      body: msg,
    }, function(err, responseData) {
      if (err) {
        console.log('Error sending: ', err);
      }
      console.log(responseData.to);
      console.log(responseData.body);
    });
  };
  
  var app = express();
  app.use(bodyParser.urlencoded({
    extended: true
  }));
  
  app.post('/sms', twilio.webhook(config.TWILIO_AUTH_TOKEN), get_fwd_number);
  
  app.get('/', function(req, res) {
    res.send('Hello World!');
  });
  
  var server = app.listen(80, function() {
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Refuge listening at http://%s:%s', host, port);
  
  });
  // .on('error', function(err) {
  //   console.error('Cannot serve on port 80 without root privileges:');
  //   console.error('sudo node index.js');
  // });
  
  // module.exports = sms;
  
subject: remove dummy number