Creating a new App Registration

1. Click on Home and select Microsoft Entra ID.

2. Click on App registrations.

3. Click on + New registration.

4. Provide the Name, select supported account types as Accounts in this organizational directory only(Contoso only - Single tenant), select platform as Web, enter/select the URL and register.

5. After application is created successfully, then click on Add a Redirect URL.

6. Click on + Add redirect URI.

7. Click on Web.

8. Enter the frontend Container App's callback URL and Save. Then go back to Set Up Authentication in Azure Container Apps Step 1 and follow from Point 4: choose Pick an existing app registration in this directory from the Add an identity provider page and provide the newly registered App Name.

E.g. https://<CONTAINER_APP_FQDN>/.auth/login/aad/callback