cyu/rack-cors — pull request #8 by kawamanza (2012-06-05 14:50:09+00:00)
Title: Adding "Vary" header to response

This change is important to grant browser's cache to revalidate the content when the "Origin" is different. We have a system-of-systems architecture with different hosts, and we found some trouble with cached JSON response when switch between apps. This fix solves the problem.

Best regards.

Marcelo Manzan.