This one didn't wanna give me code for some reason?

It is time to deploy my first production django web application. It was built using Django 4.1.7, it uses the Bulma CSS framework for styling. Our production database server runs on Postgresql 15.2. My production server is a minimal installation of Xubuntu, running on Linux kernel 6.10. We are going with the self-hosted route, running on a dedicated x86_64 architecture Single-board Computer. We want to use gunicorn and nginx to securely serve our web application to the World Wide Web as well as it's static files and any other services that our web application may involve.  please walk me through this process step by step, and provide summarization of concept or theory behind each step. I would also like a pre-deployment checklist of modifications and configurations of the Django web app. This should include things like securely configuring your app's secret key, storing environment variables for things like our mail host / user, as well as any other "housekeeping" items to turn a Django app in development into a live production web application.