Learn how to enhance security for self-hosted web applications using Authelia, a free and open-source authentication and authorization solution. Explore the installation process, including setting up Docker, Docker-Compose, and NGinX Proxy Manager. Follow step-by-step instructions to configure Authelia, create user databases, hash passwords, and integrate with NGinX Proxy Manager. Gain hands-on experience with two-factor authentication and discover how to protect your self-hosted apps from unauthorized access. By the end of this comprehensive tutorial, you'll have the knowledge to implement a robust security layer for your web applications, ensuring better control and peace of mind for your self-hosted environment.