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Self-Hosting Keycloak: Enterprise Identity Management

Keycloak is the enterprise standard for identity management. SSO, LDAP federation, user management, and every auth protocol.

keycloakidentityssoenterprise

What Is Keycloak?


Keycloak is an open-source identity and access management platform from Red Hat. It's the enterprise standard for self-hosted identity.


Features


Authentication

  • Single Sign-On (SSO)
  • Multi-factor authentication
  • Social login (Google, GitHub, etc.)
  • Identity brokering
  • Kerberos authentication

    • Protocols

  • OpenID Connect (OIDC)
  • SAML 2.0
  • OAuth 2.0
  • LDAP

    • User Management

  • User registration
  • User federation (LDAP, Active Directory)
  • User storage (internal or external)
  • Groups and roles
  • Custom attributes
  • Admin console

    • Enterprise

  • Fine-grained authorization
  • Client scopes
  • Service accounts
  • Consent management
  • Account management portal
  • Event logging and audit

    • Keycloak vs Authentik vs Auth0


  • Keycloak: Enterprise standard, Java, most features
  • Authentik: Modern UI, easier setup, Python
  • Auth0: SaaS, easiest, expensive

    • When to Choose Keycloak


  • Enterprise requirements (SAML, LDAP federation)
  • Java ecosystem
  • Maximum protocol support
  • Red Hat support option

    • When to Choose Something Else


  • Authentik: Easier self-hosting setup, better UI
  • Logto: Better developer experience, modern stack

    • Deployment


    1. Deploy Keycloak on TinyPod

    2. Create a realm

    3. Configure identity providers

    4. Create clients for your applications


    Resources: 2 CPU, 2 GB RAM with PostgreSQL.


    Keycloak is overkill for personal use but essential for enterprise. If you need LDAP federation or SAML, it's the go-to choice.