It's a simple middleware which would give the node environment details as follow
npm install node-info
Add the below lines in your express middleware to view the node env information.
var nodeinfo = require('node-info');
app.use(nodeinfo());
Please check the example code

This module is supported by the ejs, github-url-from-git, read-installed, timethat, read-package-json and node-github-url-from-git node modules.
Code licensed under the BSD license. See LICENSE file file for terms.