Adding login authentication to secure React apps

The tutorial provides an in-depth guide on implementing secure login authentication in a React application using Express.js, focusing on the integration of server-side authentication to enhance security and manage user access effectively. It starts by detailing the setup of a React project using Vite and describes how to handle server-side login authentication, which involves verifying user credentials on the server to ensure secure access to resources. The guide covers creating a login component with React Context API and React Router DOM to facilitate role-based access controls, and it explains the importance of form validation on both client and server sides to prevent malicious input. It also explores two main approaches for serving React applications within the MERN stack—serving separately or with Express—and discusses the use of HTTP cookies for session persistence and role-based access control, ensuring that different users can only access content appropriate to their roles. Additionally, the tutorial provides insights into integrating MongoDB for data storage and emphasizes the importance of secure practices such as using httpOnly cookies for authentication persistence.