When my fiance suggested I make our wedding website, I went looking for some Django templates to start with. I'm delighted to have found this one originally made by Cory Zue.
I use this as a simple single page app, but there's more functionality built in if you'd like to fork it for yourself, including save the date emails and personal invitation pages.
To deploy this, I use my AWS EC2 with gunicorn and nginx 🚀
For more info on the original project, see czue/django-wedding-website and this blog post.