Caddy webserver - valid certificates for hosted services

1. Setup a debian machine or use an existing machine
   
   
2. install xcaddy  (add xcaddy apt repository)
   
   

   apt install -y debian-keyring debian-archive-keyring apt-transport-https
   curl -1sLf 'https://dl.cloudsmith.io/public/caddy/xcaddy/gpg.key' | gpg --dearmor -o /usr/share/keyrings/caddy-xcaddy-archive-keyring.gpg
   curl -1sLf 'https://dl.cloudsmith.io/public/caddy/xcaddy/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-xcaddy.list
   sudo apt update
   sudo apt install xcaddy