In the contemporary digital landscape, where data privacy and security hold utmost importance, ensuring robust authentication and authorization mechanisms within Node.js applications is indispensable. Whether you’re engrossed in developing RESTful APIs, crafting web applications, or orchestrating microservices-driven ecosystems, adeptly implementing authentication and authorization in Node.js using JSON Web Tokens (JWT) is a fundamental expertise.

In this blog post, we will embark on a journey to explore the core concepts of authorization and authentication in node js ,while diving deep into the world of Node.js. We will scrutinize diverse authentication methodologies and unveil the power of JWT-based authentication coupled with role-based authorization within a Node.js application seamlessly integrated with MongoDB.