Create a comprehensive MERN stack application with a React SPA frontend, focusing on JWT authentication, Redux Toolkit state management, and deployment. Learn to build a full-featured API, implement user registration and login functionality, manage protected routes, and update user profiles. Explore frontend development with React Bootstrap, set up Redux for state management, and integrate React Toastify for notifications. Dive into backend development with Express, MongoDB, and JWT implementation. Finally, prepare the application for production and deploy it using Linode, PM2, and NGINX.