NodeJS server for a single-page app with client navigation and no backend.

server.js

'use strict';

var http = require( "http" ),
    pathUtils = require( "path" ),
    express = require( "express" ),
    app = express(),
    PORT = process.env.PORT || 5000,
    appDir = pathUtils.resolve( __dirname, "client" );

app.use( express.static( appDir ) );

app.get( "*", function( req, res ) {
    res.sendfile( pathUtils.resolve( appDir, "index.html" ) );
} );

http.createServer( app ).listen( PORT, function() {
    console.log( "Express server listening on port " + PORT );
    console.log( "http://localhost:" + PORT );
} );