Enhance SSO Capabilities with General OAuth2 Integration

[Spark61]

I propose to extend the existing single sign-on (SSO) capabilities of Coolify by implementing a general OAuth2 integration framework. This enhancement would enable the integration of a broader range of identity providers such as Keycloak and Authentik, offering more flexibility and security in user authentication.

Benefits:

• Increases the versatility and accessibility of Coolify by supporting a broader array of authentication options.
• Enhances security and user management capabilities.
• Improves user satisfaction by providing more choices for secure access.

I look forward to the community's input and assistance in refining and implementing this feature.

[LunaVoid]

Seconding this

[bmcgonag]

Also would like this feature added. And, seriously, this is amazing open source software, so thank you for this. I can't imagine how much it must take to build something so incredibly awesome!

[Mase3206]

Even if this isn't possible, allow manual user creation and fix the OAuth flow. OAuth users should not have to set a password.

[ByteAfterlife]

I hope they add this, especially the keycloak one!

[pongraczi]

+1 Univention use keycloak and would be really useful to have this supported.

Don't want to use the provided services, I want to use the self-hosted version.

[rafaelsilverioit]

I commented on this existing PR #6696 that is introducing a generic OIDC provider, asking them to get it in for the next release and use it as a starting point to tackle the proposal raised in this discussion.

And as I've written over there, I'll echo here:

It's really frustrating to have only a set of cherry picked providers and not be able to use whatever fits our needs, especially for a pretty standardized protocol like OAuth2/OIDC.