Facebook OAuth
Create a Facebook app
Go to Facebook Developers and create a new app. Choose the app type (e.g. Consumer).

名前と連絡先のメールを入力すると、Facebook Developerダッシュボードに移動します。

次に、Facebookログインを設定してください:

このアプリのプラットフォームとしてWebを選択してください:

Under Facebook Login → Settings, set Valid OAuth Redirect URIs to Casdoor’s callback URL. In Casdoor, the application Redirect URL is your application’s callback URL. See Application config.

Switch the app from In development to Live in the dashboard top bar.

Copy App ID and App Secret from Settings → Basic.

Add the provider in Casdoor
Create an OAuth provider, set Type to Facebook, and enter App ID as Client ID and App Secret as Client Secret.
