Create server.js

Author: ksabine

server.js

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+// server.js: This is a tiny NodeJS web server hosting static files from the /www folder in the Elastic Beanstalk deployment ZIP
+// Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.
+var express = require('express');
+// Let's create an instance of an express web server
+var app = express();
+// By default, let's use port 80, unless we provide a different value as argument or system environment variable
+var port = process.env.PORT || process.argv[2] || 80;
+// Let's host all the static files in /www as root of our little web server
+app.use('/', express.static(__dirname + '/www'));
+// Start listening on the desired port for incoming traffic
+var server = app.listen(port, function () {
+    console.log('listening on port:', port);
+});