YouTube Playlist: Build a Complete App with GraphQL, Node.js, MongoDB and React.js

A good step by step tutorial for building a first GraphQL app with React.

How to get create-react-app to work with a Node.js back-end API

Shows how to make a Node.js backend and react app work together in dev and production.

How to set up a GraphQL Server using Node.js, Express & MongoDB

Building Node.js Apollo Server with Express