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Google Authentication Provider

The Backstage core-plugin-api package comes with a Google authentication provider that can authenticate users using Google OAuth.

Create OAuth Credentials

To support Google authentication, you must create OAuth credentials:

  1. Log in to the Google Console
  2. Select or create a new project from the dropdown menu on the top bar
  3. Navigate to APIs & Services > Credentials
  4. Click Create Credentials and choose OAuth client ID
  5. Configure an OAuth consent screen, if required
    • For local development, you do not need to enter any Authorized domain
    • For scopes, select openid, auth/ and auth/userinfo.profile
    • Add yourself as a test user, if using External user type
  6. Set Application Type to Web Application with these settings:
  7. Click Create


The provider configuration can then be added to your app-config.yaml under the root auth configuration:

environment: development

The Google provider is a structure with two configuration keys:

  • clientId: The client ID that you generated, e.g.
  • clientSecret: The client secret tied to the generated client ID.

Adding the provider to the Backstage frontend

To add the provider to the frontend, add the googleAuthApi reference and SignInPage component as shown in Adding the provider to the sign-in page.