Upload my Flask App to my VPS on Hostinger

My Flask application works locally on my laptop. It is now also hosted on a VPS but, Nginx and Gunicorn only display the default index.html instead of the app's index.html.

TASK
For the freelancer with the right skills, this is less than an hour's work, so please quote reasonably and let's get this done. Thanks.

I want you to make it work online via my VPS account on Hostinger so that it will be visible via my SSL enabled domain. The app requires live access to the device's camera, whether the device is a smartphone or a laptop. It is simple and requires no databases or user accounts etc. Just image processing with live camera frames capture and image analysis. As mentioned, the app is ready, the dependent environment elements like Flask, Open CV, Nginx etc. have all been installed. The key issue that

The Python environment and requirements have already been prepared but may need a little tweaking to finish what has been done and make the app visible via a web browser.

I will provide you with the Python and Flask app and you do the rest as mentioned.

Once completed, you will clearly document the folder and contents structure for the local app as well as the one on the VPS.