In this tutorial, I'll show you how you could horizontally scale up your Laravel application by adding multiple database instances.

laravel scaling app

In case that you are not familiar with the term 'horizontal scaling', it simply means that you scale up by adding more machines to your setup where 'vertical scaling' means that you scale by adding more power (CPU, RAM) to your current virtual machine.

https://devdojo.com/tutorials/scaling-laravel-app-with-multiple-databases

Let me know if you need any help!