This is a very simple Todo List/Notes API to learn PERN (PostgreSQL, Express, React, Node).
I did the backend (PostgreSQL, Express, Node) while following this tutorial: https://scotch.io/tutorials/getting-started-with-node-express-and-postgres-using-sequelize
I did the frontend (React, Axios, numerous React Plugins) while following this tutorial: https://medium.com/technoetics/create-basic-login-forms-using-create-react-app-module-in-reactjs-511b9790dede