Caddy as reverse proxy: encryption between caddy and node

I set up caddy to act as a reverse proxy for a nodejs server, with encryption for outgoing traffic. It’s working like a charm. Now I would like to also encrypt the traffic between caddy and the nodejs machine, any hints on how to do that?

The NodeJS server will need to support HTTPS, then you can just set the proxy upstream to be https://... and it will be encrypted.


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