Half a joke, half a useful tool.
It will respond exactly this all the time:
❯ curl -i localhost
HTTP/1.1 418 I'm a teapot
Date: Sat, 07 Oct 2023 21:14:41 GMT
Content-Length: 13
Content-Type: text/plain; charset=utf-8
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.