Editorial desk
Keycloak Ops Editorial
Keycloak Ops Editorial is the publishing identity for Keycloak Ops. It is a desk, not a person: no named author, no biography, no professional certifications.
Articles published under this byline are researched from primary sources — vendor and project documentation, published standards and specifications, research papers, and measurements published by whoever took them — drafted with AI assistance, and edited against those cited sources before publication. Nothing here is based on first-hand testing in a private lab, and any figure that appears is attributed to the source it came from.
Corrections go to [email protected]. More detail is on the about page and the editorial disclosure.
Posts (7)
- sizing
Keycloak Resource Requirements: CPU, RAM, Disk, Database
Keycloak resource requirements: a 2 GB memory limit, 2 vCPU and PostgreSQL cover a homelab. Official sizing math and an N100 compose file.
- fundamentals
What Is a Realm in Keycloak? What Lives Inside One
A Keycloak realm is an isolated tenant with its own users, clients and signing keys. What a realm holds, what stays server-wide, and how many to run.
- comparisons
authentik vs Keycloak: Which One Belongs in Your Homelab
authentik vs Keycloak for a single mini-PC: footprint, forward auth, LDAP, realms, backups and licensing compared from the docs, with a clear pick.
- troubleshooting
Keycloak Behind a Reverse Proxy: Fix 403 and Hostname Errors
Why Keycloak returns 403 behind a proxy, rejects redirect URIs, and issues tokens with the wrong issuer, and the exact options that resolve each case.
- sizing
Keycloak RAM and Memory Requirements: Usage and Heap Sizing
Learn Keycloak's RAM and hardware requirements: 1250 MB per-pod baseline, heap at 70% of the container limit, session cache caps and vCPU per login rate.
- comparisons
Keycloak vs authentik vs Authelia: What to Self-Host
A protocol, architecture and footprint comparison of three self-hosted identity servers, and the deployment shapes each one is actually built for.
- fundamentals
What Is a Keycloak Realm? Realm vs Client and How to Create
A Keycloak realm is an isolated tenant with its own users, roles, clients and signing keys. Learn when to use one or several realms and how to create one.