Use Caddy for local HTTPS (TLS) between front-end reverse proxy and LAN hosts - Wiki - Caddy Community
TL;DL This Wiki explains how to enable https connections between hosts in a LAN with automatically renewed certificates. Just scroll down and go over the example Caddyfiles. They hopefully have enough comment to understand the idea 😉 Introduction If you have successfully followed the Wiki Using Caddy as a reverse proxy in a home network by @Matt, you have setup a reverse proxy that provides a TLS encrypted connection from the internet to that reverse proxy. This is mandatory and you should...