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Simple authentication for homelab? (eviltoast.org)

submitted 7 months ago by [email protected] to c/[email protected]

71 comments fedilink hide all child comments

What's everyones recommendations for a self-hosted authentication system?

My requirements are basically something lightweight that can handle logins for both regular users and google. I only have 4-5 total users.

So far, I've looked at and tested:

Authentik - Seems okay, but also really slow for some reason. I'm also not a fan of the username on one page, password on the next screen flow
Keycloak - Looks like it might be lighter in resources these days, but definitely complicated to use
LLDAP - I'd be happy to use it for the ldap backend, but it doesn't solve the whole problem
Authelia - No web ui, which is fine, but also doesn't support social logins as far as I can tell. I think it would be my choice if it did support oidc
Zitadel - Sounds promising, but I spent a couple hours troubleshooting it just to get it working. I might go back to it, but I've had the most trouble with it so far and can't even compare the actual config yet

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[–] [email protected] 1 points 7 months ago (2 children)

That doesn't sound too bad, thanks for the instructions. I'll probably give keycloak another try too.

Do you know what kind of cpu memory usage it has? I saw the newer versions are supposed to be lighter, but haven't tested it yet.

[–] [email protected] 2 points 7 months ago

I've had one realm with 5 clients and nothing crazy setup running for about 3 years across 3 major versions and haven't had many problems

[–] [email protected] 2 points 7 months ago

Currently it's using ~511MB of memory, which is comparable to typical web apps. CPU usage is almost zero because it's idle most of the time (you're practically only using it on login only).

I'm still on keycloak v19 and haven't had a change to upgrade to the latest version yet and have no idea how much memory the latest version will use, but I remember testing keycloak before they migrated to quarkus and it was sitting at ~2GB memory and was immediately turned off by it. I gave it a try again after I heard the memory usage got better and stick around since then.