Creating signed SSL connection for your web application with Certbot, Nginx and PayaraMicro

Having a secure HTTP connection to your website/web application becomes an ever-increasing necessity nowadays. It is a standard for a modern day website to be secure. Finding a page on the Internet which does not start with https:// is getting more uncommon. Even Google Chrome started flagging http:// connections as 'Not secure' to raise the concern about insecure connections...