HomeCatalog🔒 Security & PrivacyKeycloak
Screenshot of Keycloak website

// screenshot of keycloak.org ↗

SECURITY & PRIVACY · PRO TIER

Keycloakpro

Keycloak is the enterprise-grade open-source identity and access management platform — SSO, OAuth2, OIDC, SAML, LDAP, MFA, identity federation, user federation, social login. Red Hat / IBM-backed, deployed at every Fortune 500. The standard OSS IdP for enterprise.

🔒 Security & Privacy Min 2048 MB RAM Port 8080 (http) Tier pro
// What it is

A closer look.

Keycloak is the enterprise-grade open-source identity and access management platform — SSO, OAuth2, OIDC, SAML, LDAP, MFA, identity federation, user federation, social login. Red Hat / IBM-backed, deployed at every Fortune 500. The standard OSS IdP for enterprise.

For mid-market and enterprise orgs needing a battle-tested IdP that integrates with everything, Keycloak is the canonical choice.

// Use cases

What it's for.

Concrete scenarios where teams pick Keycloak over the SaaS alternative.

Enterprise SSO

unified login across all enterprise apps

OAuth2 / OIDC provider

modern API authentication

SAML provider

legacy enterprise app SSO

Identity federation

connect multiple identity sources

Social login

Google / Facebook / GitHub OAuth for apps

// Who it's for

Built for these teams.

If your team profile matches one of these, Keycloak is a strong fit out of the box.

Profile A

Enterprise IT

managing SSO for hundreds of apps

Profile B

SaaS platforms

providing customer SSO

Profile C

Multi-tenant orgs

with realm-based isolation

Profile D

Compliance-bound orgs

needing audit-grade IdP

Profile E

OSS communities

running federated identity

// Differentiators

Why teams pick Keycloak.

When evaluating self-hosted options for this category, here are the dimensions on which Keycloak consistently lands above the alternatives.

  • Apache 2.0 — fully open
  • Enterprise-grade — Red Hat / IBM backing
  • Multi-protocol — OIDC, SAML, LDAP, RADIUS, all native
  • Realm isolation — proper multi-tenancy
  • Battle-tested — production-deployed at every scale
  • Extensible — Java SPI for custom logic
// Integrations

Connects to.

The stack you'll plug Keycloak into — services, protocols, and adjacent apps in the BluixApps catalog.

Protocols
OIDC, OAuth2, SAML 2.0, LDAP/AD, Kerberos
Identity sources
local + LDAP + OIDC federation + custom
MFA
TOTP, WebAuthn, OTP via SMS, custom
Themes
fully brandable login flows
Admin API
REST API for programmatic config
Events
webhook + log integration
Java SPI
extensions in any JVM language
// Adoption & deployment

Notable users & community

  • 23k+ GitHub stars
  • Used by virtually every large enterprise using OSS IdP
  • Backed by Red Hat (IBM) — strongest commercial backing in OSS IdP
  • KeycloakDevDay conferences
  • Standard tool in enterprise identity space

What we ship

  • Docker compose: Keycloak + Postgres
  • Pinned quay.io/keycloak/keycloak:26.0 (release-tagged)
  • HTTPS via Let's Encrypt
  • Admin user via env config
  • Persistent volumes for Postgres
  • Production mode (not dev mode) by default
  • Backup hook covers Postgres (users + realms + clients)
// Tips & operations

Run it properly.

Operational guidance from running this in production — what to do before you scale, what to lock down, what surprises people.

// PERFORMANCE
Resource sizing
Keycloak needs 2-4 GB RAM per JVM; multiple JVMs for HA
// SECURITY
External DB required
Postgres, MySQL, MS SQL, Oracle, MariaDB
// OPERATIONS
Realm strategy
realms isolate tenants; design carefully
// RELIABILITY
Backup is critical
IdP loss = mass lockout
// DEPLOYMENT
HA via clustering
single-node = single point of failure
// SCALING
Theme customization
for branded login experience
2048
// min ram (MB)
10
// min disk (GB)
8080
// access port
http
// protocol
pro
// bluixapps tier
postgres:15-alpine · quay.io/keycloak/keycloak:latest
// docker image

Project resources

Official sitekeycloak.org ↗
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