Missing env variable in OIDC configurations that require issuer

[edelagnier]

What is the improvement or update you wish to see?

When following the getting started guide and selecting keycloak, there is no mention of the "AUTH_KEYCLOAK_ISSUER" variable

It will result in the following error "[auth][error] InvalidEndpoints: Provider "keycloak" is missing both issuer and authorization endpoint config."

The information is correct in the dedicated keycloak page

Is there any context that might help us understand?

none

Does the docs page already exist? Please link to it.

No response

[balazsorban44]

This is not unique to Keycloak. See my comment: #11848 (comment)

Essentially, any self-hosted/instantiated OIDC provider needs this.

[github-actions]

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[DevRish]

@balazsorban44 I went through the provider documentation pages and listed the ones requiring _ISSUER env variable.

These are the ones I found:

• authentik
• azure-ad-b2c
• battlenet
• beyondidentity
• boxyhq-saml
• cognito
• descope
• duende-identityserver-6
• fusionauth
• identity-server4
• keycloak
• mastodon
• mattermost
• okta
• osso
• passage

I added a field to the manifest.json file to contain this list, and implemented the displaying of the additional env variable for them.

Please let me know if I missed any providers or wrongly included any of them. Also, please review my PR #11976 .

Thanks!