Wildcard get subdomain name

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3

The reverse_proxy module doesn’t do simultaneous rewrites, so that config wouldn’t work. You need to use the rewrite handler if you need to add a prefix before proxying.

Try this:

*.website.com {
	rewrite * /{labels.2}{uri}
	reverse_proxy 127.0.0.1:3000
}

Also, keep in mind that to use a wildcard certificate, you need to enable the DNS challenge (which involves building Caddy with a DNS plugin, etc):