Dennis Smink wrote a nice post on how you can use our backup package to backup your application to Google Drive. He includes all steps necessary to authenticate with Google Drive.

Backups are important, period. You will be needing these once your server or server provider suddenly dies. In this tutorial I will cover how to setup Google Drive backup, with Spatie’s backup package, Googles Flysystem and Laravel.

https://medium.com/@dennissmink/laravel-backup-database-to-your-google-drive-f4728a2b74bd