For more detail, please visit:

Node.js JWT Authentication & Authorization with PostgreSQL example

Node.js Express & PostgreSQL: CRUD Rest APIs example

Working with Front-end:

Vue.js JWT Authentication with Vuex and Vue Router

Angular 8 JWT Authentication example

Angular 10 JWT Authentication example

Angular 11 JWT Authentication example

React JWT Authentication & Authorization (without Redux) example

React Redux JWT Authentication & Authorization example

Integration on same Server/Port:

Integrate Angular 8 with Node.js Express

Integrate Angular 10 with Node.js Express

Integrate React with Node.js Express

npm install

Then, edit app/config/db.config.js with correct DB credentials.

node server.js