Open-source authentication and authorization server providing two-factor authentication and single sign-on (SSO) for web applications and services. Designed to be lightweight and secure.
- Single sign-on (SSO) with session management
- Multi-factor authentication (TOTP, WebAuthn, hardware keys)
- Identity verification via email
- Forward authentication for reverse proxies
- Fine-grained access control rules
- Lightweight footprint (<30 MB memory)
- Stateful and stateless deployment options
- Integration with Traefik, Nginx, Caddy, and more
- SSO gateway for self-hosted applications
- MFA enforcement for sensitive services
- Authentication layer for Docker/Kubernetes deployments
- Homelab identity provider
- Zero-trust access control with reverse proxies
- Go (Golang)
- TypeScript/Vue.js (frontend)
- SQLite, MySQL, PostgreSQL (storage backends)
- Redis (session storage option)
- Active development with regular releases
- Lightweight SSO + MFA gateway
- Official Docker image:
authelia/authelia
- Latest stable: v4.39.x series
¶ History and References
Any questions?
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