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Published Mar 18, 2026
Authentication System Deep Dive
How NuxtBase implements enterprise-grade authentication with Better Auth, including SSO, 2FA, passkeys, and multi-tenant support.
Authentication System Deep Dive
NuxtBase ships with a production-ready authentication system powered by Better Auth. This post walks through the key decisions behind the implementation.
What's Included
- Social Login — Google and GitHub OAuth, with extensibility for any provider
- Email / Password — Traditional flow with email verification
- Two-Factor Authentication — TOTP-based 2FA with backup codes
- Passkeys — WebAuthn-based passwordless login
- Magic Links — One-click email-based sign in
Multi-Tenant Architecture
Every user belongs to an organization. The auth system handles:
- Organization creation on signup
- Invitation-based member onboarding
- Role-based access control (Owner, Admin, Member)
- Organization switching for users in multiple teams
Security Considerations
- All sessions are server-side with secure HTTP-only cookies
- Rate limiting on auth endpoints
- Trusted device management for 2FA
- Comprehensive audit logging
The goal is to provide a foundation that teams can ship to production without needing to build auth from scratch.