This mern stack mastery course is designed to teach you how to develop your production-grade full-stack application. Throughout the course, you will learn about the components and technologies used to build a mern stack application. The technologies covered in this course include MongoDB, a no SQL database used for storing data as documents and collections. Express.js is a web framework that allows you to develop res tful web services/ap is. React.js is a library used for developing the single-page UI with functional components. Node.js is the runtime environment used for developing the backend application. Other technologies covered in this course include bcrypt.js, an npm package used for encrypting and decrypting passwords.json web token (jwt) is used for secure token-based communication between the front and back end via API calls. React redux is used for state management in a react application, while local storage is used for storing application information in the front end. Throughout the course, you will be developing an instagram clone application from scratch using the mentioned technologies in a step-by-step approach. Along the way, you will also learn the basics of the mern stack, as well as debugging techniques and best practices that will help you become an awesome mern stack developer. At the end of each video, you will receive the complete source code for that particular video. There will also be quizzes at the end of each section to help you prepare for interviews related to mern stack-based projects. Additionally, at the end of the course, you will be given a project assignment to apply further and reinforce the concepts you have learned. Overall, this course provides comprehensive training on using instagram and developing instagram-like applications using the mern stack.