It's imperative to respond correctly to coffee machine BREW requests when you are, in fact, a teapot. This piece of Rack middleware will ensure you comply with HTCPCP/1.0: the Hyper Text Coffee Pot Control Protocol.
For more information see www.ietf.org/rfc/rfc2324.txt
sudo gem install toolmantim-teapot --source http://gems.github.com
Simply require and use from your rackup file (e.g. config.ru):
require 'rubygems' require 'teapot' use Teapot
Your Rack application will now serve English Breakfast and respond with a 418 I'm a teapot if it receives any BREW or application/coffee-pot-command requests.
Hater of English Breakfast? You're in luck—just pass in your preferred brew.
use Teapot, "Lady Grey"
You can perform a BREW request using curl's request method flag -X:
curl -i -X BREW myrackapp.com