This document discusses moving a content management system (CMS) from PHP to a Node.js full stack using the KeystoneJS framework. It describes how the author migrated an existing WordPress site to KeystoneJS in 2 weeks, improving performance by 200%. Key aspects covered include the KeystoneJS data models, controllers, views, and administration interface. It also outlines additional features like customizing the admin UI with React, adding themes, and deployment options.