I seem to be misunderstanding something very basic in trying to run my app in a subdirectory. Remarkably, all my restful routes work flawlessly. Everything outside of rails routing conventions is what's giving me problems. My app is using mod_rails and I've got it sym- linked to www.domain.com/myapp (for example).
My application layout includes this line in the head section of the html: <link rel="shortcut icon" type="image/ico" href="/favicon.ico" /> And of course that doesn't work...it can't find my app's favicon, instead pointing to the root of my domain to look for it. Basically, you can't reference anything with a leading slash if you're running the app in a subdirectory. Manual routing like this needs to know the "url root", I'm thinking. So I found this setting: config.action_controller.relative_url_root Rails guides says that it can be used to tell Rails that you are deploying to a subdirectory. The default is ENV ['RAILS_RELATIVE_URL_ROOT']. Ok, so I added that config setting to my config/environment.rb and nothing changed. What exactly does this action_controller setting do and how do you use it? The other thing I tried (which worked but it's ugly) was to set the RAILS_RELATIVE_URL_ROOT env variable in config/environment.rb to my app's root (/myapp): RAILS_RELATIVE_URL_ROOT = '/myapp' Then in my application layout, I accessed the app's favicon like this: <link rel="shortcut icon" type="image/ico" href="< %=RAILS_RELATIVE_URL_ROOT%>/favicon.ico" /> And same thing with an image: <img src="<%=RAILS_RELATIVE_URL_ROOT%>/images/avatar.gif" alt="" style="border: 1px solid #ddd; padding: 3px; margin: 0 10px 0 0;"/> So everywhere I need to reference a path outside of rails' named routes, I have to insert this env variable? That can't be best practice! Or is it? Thanks for any help!
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