Tecadmin published a guide about setting up Apache as frontend proxy server for Node.js.
How to Setup Apache as Frontend Proxy Server for Node.js
Apache is the most popular web server. You can also use Apache as a frontend proxy server for backend running applications like Node.js. This tutorial will help you to set up your Apache server as a frontend proxy server for your Node.js application with easy steps.
How to Setup Apache as Frontend Proxy Server for Node.js