We will be creating a banking application using PostgreSQL, Express, React and Node.js.By building this application, you will learn1. How to work with PostgreSQL database from Node.js2. How to secure your APIs using JWT authentication3. How to maintain login session until user manually performs a logout4. How to perform CRUD operations in PostgreSQL from Node.js5. How to dynamically generate pdf to get list of transactions within selected date range6. How to automatically download any type of file including pdf file.and much more.This is a first part of the multipart series. Let’s start with the first part.