How to Self-Host Vaultwarden with Docker Everyone needs a password manager. If you're still reusing passwords or storing them in a browser's built-in manager, you're one data breach away from a very bad week. Bitwarden is the best open-source option, but the official server is heavy — it needs MSSQL and multiple containers. Vaultwarden solves this. It's a lightweight, community-built server that's fully compatible with all Bitwarden clients — browser extensions, mobile apps, desktop apps, CLI. It runs in a single Docker container, uses SQLite by default, and needs about 30MB of RAM. I self-host Vaultwarden with Docker on the same VPS that runs this blog, and it handles my entire password vault without breaking a sweat. By the end of this guide, you'll have a working Vaultwarden instance with SSL, auto-backups, and all the security settings configured properly.…