--- tags: - Authentik - Docker --- # 🛡️ Authentik Deployment Guide (Modern Identity Provider) This guide provides the current, best-practice approach to deploying Authentik, a modern, self-hosted Identity Provider (IdP). Due to its critical position in the authentication chain, deployment must be treated as an **Enterprise Security Implementation.** ## I. Core Requirements & Prerequisites Before initiating any setup, ensure you have: 1. A dedicated, isolated infrastructure segment for IAM services. 2. **Centralized Secret Management:** Vault or Key Management Service (KMS) accessible to the deployment pipeline. *Never* use plain text credentials in environment files. ## II. Deployment Architecture (Containerized Approach) Authentik should be containerized (Docker Compose recommended). The architecture must enforce a strict flow: `Client App/Service -> Reverse Proxy (TLS 1.3) -> Authentik -> External Database/Oauth Broker`. ### Key Components to Configure * **Database:** Always use PostgreSQL or another robust, network-isolated database container for persistent store. * **Authentication Flow:** Design the flow around **OAuth2/OpenID Connect (OIDC)** standards. Do not rely on simple API tokens for service account access that can be hardcoded in other services. ## III. Modernization Practices & Security Hardening ### 1. Strong Authentication Flows Modern deployments must incorporate: * **Multi-Factor Authentication (MFA):** Enforce TOTP/WebAuthn across all user roles, including administrators. * **Conditional Access:** Implement rules at the IdP level to restrict login attempts based on factors like GeoIP location or trusted network IP ranges. ### 2. Policy & Automation Integration Treat your entire identity schema as code: 1. **Policy-as-Code (PaC):** Manage user/role group policies using dedicated manifest files and link them into the deployment artifact, rather than clicking through a GUI to set permissions. 2. **API First:** Any integration with an internal service (e.g., Nextcloud) must be done via Authentik's exposed API endpoints; never modify the receiving service's code to expect direct database writes from another party—let the IdP handle the user lifecycle events. > [!NOTE] Modernized Workflow In a mature enterprise setup, **Active Directory Federation Services (ADFS)** or advanced OIDC federation layers should mediate between Authentik and legacy systems (like Active Directory). The goal is to make Authentik the central source of truth for *who* has access, while external systems simply consume authenticated tokens granted by Authentik. This abstraction layer prevents security sprawl and greatly simplifies auditing.