Deploy an application with Cerise Web server: Use Ruby as your programming language to create a simple application

Deploy an application with Cerise Web server: Use Ruby as your programming language to create a simple application: "This article shows you how to create a guestbook Web application with the Cerise Web server and the Ruby programming language. You'll use RSS 1.0 as the file format for the guestbook entries and XSLT for transforming files to HTML."