alphagov/whitehall — pull request #1723 by KushalP (2014-09-18 09:45:06+00:00)
Title: Public uploads: Set an HTTP expiry time of 4 hours

This was set to 15 minutes by using the value for
`Whitehall.default_cache_max_age`. For public uploads we want to cache
the result in our CDN for longer to remove some of the load we create
on our own application servers.