Self-Hosting Vaultwarden: Lightweight Bitwarden Server with Docker

Self-Hosting Vaultwarden: Lightweight Bitwarden Server with Docker Password managers are the single most impactful security tool you can adopt, but trusting a cloud service with every credential you own requires a leap of faith. Bitwarden is open source and well-audited, which helps — but if you’d rather keep your vault entirely under your control, Vaultwarden makes that practical. Vaultwarden (formerly bitwarden_rs) is an unofficial Bitwarden-compatible server written in Rust. It implements the Bitwarden API so you can use all the official Bitwarden clients — browser extensions, mobile apps, desktop apps, CLI — while running the server on hardware you control. The big difference from the official Bitwarden self-hosted server: Vaultwarden runs in a single container using around 30MB of RAM, while the official stack needs 8+ containers and 2GB+ of RAM. For a homelab or small team, that’s the difference between “runs on a Raspberry Pi” and “needs a dedicated VM.” ...

March 23, 2026 · 11 min · Self Host Setup