Install Flmngr file manager server side
When linking the Flmngr file manager to your own server storage, install the most suitable package from the list below. You will have full control over all your files—an essential feature that the file manager fully respects.
You don't need to install the backend if you use the file manager with Amazon S3 or Azure Blob storage. It doesn't even matter what tech stack your app uses — PHP, Java, .NET, Ruby, etc. — every platform works with cloud storage.
On PHP server 
Composer package
PHP package for any website, regardless of the framework.
Include PHP script directly
PHP scripts set in a zip archive for use in a legacy project without Composer support.
Laravel framework
Tutorial for installing the file manager on a Laravel app or website.
Symfony framework
Implementing a PHP file manager in the Symphony framework.
On Node server 
Express framework
Flmngr Node module for your website or app on the Express framework.
Nest framework
Flmngr Node module for your website or app on the Nest framework.
Custom Node integration
Route requests from your custom framework to the Flmngr library API.