Thanks for the quick answer. This definitely works.

Our of curiosity, is it possible to see the host and other request
information in config.ru?
On Sep 22, 2012 3:04 AM, "Magnus Holm" <judofyr@gmail.com> wrote:

> It's already supported, you just need the trailing slash:
>
> map 'http://example1.com/' do
>   run MyApp::Example1
> end
>
> // Magnus Holm
>
>
> On Sat, Sep 22, 2012 at 11:58 AM, armanx <armanx@gmail.com> wrote:
> > Is it possible to detect the incoming request's domain name (host) in
> > config.ru? I'm trying to use URLMap to map different domains to
> different
> > apps, all running on the same IP. Theoretically, I'm trying to achieve
> this
> > effect:
> >
> >> map 'http://example1.com' do
> >> run MyApp::Example1
> >> end
> >>
> >>
> >>
> >>
> >>
> >> map 'http://example2.com' do
> >> run MyApp::Example2
> >> end
> >
> >
> >
> > For example, if it was possible to read rack's SERVER_NAME in config.ru,
> I
> > would do something like:
> >
> >> if SERVER_NAME == 'example1.com'
> >> map '/' do
> >> run MyApp::Example1
> >> end
> >> end
> >
> >
>