tag:support.appharbor.com,2010-11-23:/discussions/problems/90652-use-purchased-domainAppHarbor: Discussion 2017-05-18T03:44:51Ztag:support.appharbor.com,2010-11-23:Comment/425681892017-05-16T22:14:35Z2017-05-16T22:14:45ZUse purchased domain<div><p>in your application, choose <strong>Hostnames</strong>, then <strong>New</strong> and follow the instructions.</p></div>balexandre