Implicitly find the credentials as long as the environment variable is set, orĪs long as the application is running on Compute Engine, The exampleĭoesn't explicitly specify the application credentials. The following Admin SDK code example illustrates this strategy. If ADC can't use either of the above credentials, the system throws an error. ![]() That Compute Engine, Google Kubernetes Engine, App Engine,Īnd Cloud Functions provide for applications that run on those services. If the environment variable isn't set, ADC uses the default service account If the variable is set,ĪDC uses the service account file that the variable points to. Google Application Default Credentials (ADC) checks for your credentialsĪDC checks whether the environment variable Which should be done with extreme care due to the risk of exposing your credentials. Such file access, you must reference the service account file in your code. With these manually obtained credentials. GOOGLE_APPLICATION_CREDENTIALS to authorize requests Private key file, you can use the environment variable You'll need to download a service account JSON file from your Firebase project.Īs long as you have access to a file system containing the If your application is running on a non-Google server environment, For the fullest automation of theĪuthorization flow, use ADC together with Admin SDK server libraries. ADC uses your existing default serviceĪccount to obtain credentials to authorize requests, and ADC enablesįlexible local testing via the environment variable (including Cloud Functions for Firebase), use Application Default Credentials (ADC). Google Kubernetes Engine, App Engine, or Cloud Functions If your application is running on Compute Engine,
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