Service accounts are useful for setting up App Distribution in a CI environment.
Authenticating with a service account
allows you to use client libraries (e.g., the Firebase CLI or fastlane) to
distribute your builds. When you use a service account to authenticate,
Firebase uses Application Default Credentials (ADC)
to locate your app's credentials, which you can provide by setting the
GOOGLE_APPLICATION_CREDENTIALS environment variable.
- Open the Google Cloud Console and select your project.
- Click Create Service Account and enter service account details.
- Click Create and Continue.
- Add the Firebase App Distribution Admin role and click Done.
- Create a private JSON key and move the key to a location accessible to your build environment. Be sure to keep this file somewhere safe, because it grants administrator access to App Distribution in your Firebase project.
- Skip this step if you created your app after September 20, 2019: In the Google APIs console, enable the Firebase App Distribution API. When prompted, select the project with the same name as your Firebase project.
- Set the environment variable
GOOGLE_APPLICATION_CREDENTIALSto the path of your private key JSON file: