agent deployed successfully to twitter then after a while becomes inactive

I managed to follow the instructions to get my dialogflow agent re-integrated into twitter - it replies etc but when i message it a few hours later it becomes unresponsive and I have to redeploy. Any ideas?

in the long run I don't want to use cloud run after my free trial ends and want to be able to host a twitter integration on my own native machine - does anybody have any instructions on how to do this?

Thank you!