I've been working on a Flask app (Python 3.8) on Linux. It is currently running on a B1 instance with no other apps. The instance will start without issue, and respond reasonably quickly, but after a short time it appears to stop responding. The app is set to 'Always on', but the log stream shows nothing (no errors, but also no http requests). Some times the app appears to start again and respond as expected, but only after multiple minutes of delay. There doesn't appear to be excessive CPU or memory usage. Am I missing a setting that causes the service to stop? Is there a way to get better logs from the app server (i.e. is it possible requests are not making it to the log stream? Errors from gunicorn? Possible errors from the container?) I'm drawing a bit of a blank on this because there are no apparent errors. Thanks for any help or hints where to look.