I know that it is possible to run multiple instances of discourse on the same server using a multisite setup. I’m wondering if it would be possible for multiple instances of discourse to make use of the same user database? So that a user could sign-up on any one of several different forums and use those same credentials to log in to all of the others. If a user’s whole profile (trust level, profile detail, pictures, etc) could be synced across each instance, this would be ideal for our use-case.

You can set up single sign-on between both instances.

This would require us to use some 3rd party authentication correct? We’re quite happy with Discourse authentication, would it be possible to use Discourse’s Auth from one instance as SSO for the other instances?

You would be using your own auth, from your master website. (Do you not have a parent or master website people already log in to?)

No, the only portion of our website that requires auth is Discourse.

Aha in that case one of them will have to be the master auth, I suppose. Any thoughts on this @sam?

Sure, Discourse can act as an SSO provider for another Discourse instance.

Awesome, is there any documentation that for setting something like this up?

Follow the breadcrumbs :bread: [画像] Use Discourse as an identity provider (SSO, DiscourseConnect) Integrations So you want to use Discourse as an identity provider for your own web app? Great! Let’s get started. Enable DiscourseConnect provider setting Under Discourse admin site settings (/admin/site_settings) enable setting enable discourse connect provider and add a secret string to discourse connect provider secrets (used to hash SSO payloads). Implement DiscourseConnect in your web app: Generate a random nonce. Let’s call this value NONCE. Save it temporarily so that you can verify it with the …

I still think this is gonna be weird since one of the Discourse sites – and how do you tell the user which one is the “right” one – will be the master auth site. There still needs to be an understandable hierarchy here of some kind.

I’ve just enabled it SSO on our test forum, using our main forum as the SSO provider. Even without explicitly stating the hierarchy (which may be necessary if we start implementing multiple instances) signing in seems pretty user friendly.

Use the same user database and login credentials in multiple discourse instances

Product Support SSO

sam (Sam Saffron) 2016 年 6 月 13 日午前 12:23 9

Follow the breadcrumbs

トピック		返信	表示
SSO between two Discourse instances Product Support	1	782	2020 年 8 月 11 日
Can two Discourse Instances share and use One Database? Product Support	1	218	2024 年 8 月 9 日
SSO and multiple discourse apps SSO	3	1498	2020 年 1 月 29 日
Discourse to discourse SSO Feature	8	1199	2018 年 5 月 28 日
WP Multisite with multiple Discourse instances WordPress	6	1083	2021 年 2 月 23 日

Use the same user database and login credentials in multiple discourse instances

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