This application goes along with the Build a MERN App and Deploy to Heroku tutorial series. It uses React Hooks released with React version 16.8 (February 2019).
There are three parts:
Build an API with Node.js, Express and MongoDB: https://www.techandstartup.com/tutorials/build-api-with-node-express-and-mongodb
Integrate React with Hooks into your MERN App: https://www.techandstartup.com/tutorials/mern-app-with-react-hooks
Deploy a MERN App to Heroku: https://www.techandstartup.com/tutorials/deploy-mern-app-to-heroku
To run the app in your development environment: npm run dev