HACK: Azure doesn't support X-Forwarded-Proto so we add it manually

app.js

var express = require('express');

var app = express();
app.enable('trust proxy');

// HACK: Azure doesn't support X-Forwarded-Proto so we add it manually
app.use(function(req, res, next) {
    if(req.headers['x-arr-ssl'] && !req.headers['x-forwarded-proto']) {
        req.headers['x-forwarded-proto'] = 'https';
    }

    return next();
});