Build a full-stack Twitch-like chat application with authentication in this comprehensive tutorial. Learn to create a messenger app where users can sign up, log in, and exchange messages, including text, emojis, and images. Follow along as the instructor guides you through setting up the project, understanding documentation, building the chat UI, creating login and signup pages, structuring client and server files, implementing backend functionality, handling user authentication with cookies, and adding final styling touches. Gain hands-on experience in developing a real-time messaging platform with features like message deletion and secure user management.