Request Mirroring and Shadow Testing with Caddy

https://github.com/dotvezz/caddy-mirror &#xA; I've been using Caddy for a long time, both professionally and for self-hosted hobby stuff (like this website!). It's a&#xA;workhorse project that does a lot more than what's advertised on the website (but the&#xA;"ultimate server" claim on the site might roll some eyes). &#xA; With easy automatic HTTPS, reverse-proxy features, basic load-balancing,…