var http = require('http');

var port = process.env.PORT || 8080; // use value from environment variable or 8080 if not set

var redisHost = 'redis'

var redisPort = 6379

console.log("Connecting to Redis@" + redisHost + ":" + redisPort);

var redis = require('redis');

var r = redis.createClient(redisPort, redisHost); //creates a new client

http.createServer(function (req, res) {

res.writeHead(200, {'Content-Type': 'text/plain'});

r.incr('counter', function(err, reply) {

res.write('Hello World, I am v3 of the app! I have been invoked ' + reply + ' times! (This includes my predecessors also :D)\n');

res.end();

});

}).listen(port);

console.log('The server is running! Listening connections at port ' + port);