Thanks Kevin. I will get around to it soon. Just FYI, the Firestore client for Python does not work in the App Engine Standard environment due to its use of restricted features. You are likely to get more mileage from Java or Go Firestore clients though, as they already support the App Engine Standard environment (with a few caveats). I’ve been working on a Python Firestore example for the App Engine Flexible environment, which I will write about in the near future. You can also use the Realtime Database API in App Engine Standard.