Simple IP lookup service using Caddy

Oct 25, 2023

Running Caddy? Add this for an easy no-frills IP lookup service.

http://ip.ch10.nl, https://ip.ch10.nl {
	log
	templates
	respond "{{.RemoteIP}}
"
}

Then using e.g. curl:

$ curl ip.ch10.nl
10.1.2.3

Without the explicit http and https URL in the Caddyfile, caddy will redirect http to https which is fine in the browser but annoying for a quick curl command. You would just get a 302 response and no output. You can add -L but that's just annoying!

$ curl ip.ch10.nl
$ curl -L ip.ch10.nl
10.1.2.3

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