Vaultwarden is securely deployed on the immutable OS, Flatcar Linux with Nginx. Vaultwarden is a lightweight, self-hosted password manager that provides a more private self hosted alternative to the official Bitwarden server. It offers full compatibility with Bitwarden client applications, enabling users to manage their passwords securely across different platforms. Vaultwarden ensures strong encryption and security for user data. It is community-driven, customizable, and ideal for those seeking full control over their password management system.