I have set the GOOGLE_APPLICATION_CREDENTIAL env variable to a path on my local machine.Deployed the flex app that uses Django. The application runs fine for 6 hours approx. I see the following exception afterwards:LOG TRACE:{}insertId: "m90qw3t62w08eghn1"labels: {…}receiveTimestamp: "2019-09-11T16:57:06.769920232Z"resource: {}labels: {…}type: "gae_app"textPayload: "Exception: Could not automatically determine credentials. Please set GOOGLE_APPLICATION_CREDENTIALS or explicitly create credentials and re-run the application. For more information, please see https://cloud.google.com/docs/authentication/getting-started "timestamp: "2019-09-11T16:57:02Z"
ERROR TRACE:google.auth.exceptions.DefaultCredentialsError: Could not automatically determine credentials. Please set GOOGLE_APPLICATION_CREDENTIALS or explicitly create credentials and re-run the application. For more information, please see https://cloud.google.com/docs/authentication/getting-started
- at default (/env/lib/python3.5/site-packages/google/auth/_default.py:317)
- at _determine_default_project (/env/lib/python3.5/site-packages/google/cloud/_helpers.py:179)
- at _determine_default_project (/env/lib/python3.5/site-packages/google/cloud/datastore/client.py:75)
- at _determine_default (/env/lib/python3.5/site-packages/google/cloud/datastore/client.py:222)
- at __init__ (/env/lib/python3.5/site-packages/google/cloud/client.py:169)
- at __init__ (/env/lib/python3.5/site-packages/google/cloud/client.py:215)
- at __init__ (/env/lib/python3.5/site-packages/google/cloud/datastore/client.py:205)
I was under the impression that the deployed app will have access to the datastore and its entities. Even with the above exception, the entities seem to be getting updated somehow - probably intermittent.Do I have to set the credentials separately on the cloud?