Heroku offers a robust backups system for it’s PostgreSQL database plugin. Unfortunately, you can irreversibly lose all your data and backups just by typing a single command. It might seem improbable, but still, I would rather not bet my startup’s existence on a single faulty bash line. In this tutorial, I will describe how to set up a proprietary Heroku PostgreSQL backups system to a secure AWS S3 bucket.

https://pawelurbanek.com/heroku-postgresql-s3-backup