text: var express = require('express');
  var redis = require('redis');
  var rediscli = redis.createClient(process.env.REDIS_PORT_6379_TCP_PORT || 6379,
                                    process.env.REDIS_PORT_6379_TCP_ADDR || '127.0.0.1');
  
  var app = express();
  app.get('/', function (req, res) {
    console.log("** Handling incoming request");
    rediscli.incr('counter', function (err, count) {
      res.json({
        'count': count
      });
    });
  });
  
  app.listen(80);
  console.log("** Server started listening...");
  