How to get a Serverless web app working with your own domain and SSL on AWS, the right way

Recently, I built a very simple CMS software to serve as the engine for my website La Siesta Americana (literally The American Siesta, like The American Dream but lazier). Why to build a CMS in 2020? There’s actually little or no reason, but I wanted to publish my content and literally no option in the market satisfied me, so I built my own for fun and to make a statement: we need no complex services, no plugins, no templating engines, no databases to publish content.