How to upload a changed file to Heroku?

Implemented in the bot for VC function subscribe to the weekly newsletter. ID podpisyvalisj users are stored in the file subscribers.db. How do I get Heroku with the latest version of this file?
March 12th 20 at 08:04
2 answers
March 12th 20 at 08:06
Solution
SQLite? These subscriptions have been lost. In Heroku's data inside the container is stored until it is restarted.
You have to use other DBMS provided as addons.
March 12th 20 at 08:08
well app give this file to yourself

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