Andrey

Now you may use version with middleware! https://github.com/accessd/rails-env-favicon/tree/rmagick

@seuros

by adding expire header when we send the file

not getting it done, help is welcome:)

@seuros possible, but there are several moments:

1. How to prevent caching favicon by browser?
2. Suppose we will use rmagick, then in all environments will need to install imagemagick

And yes, I tried to do it, you can look at branch rmagick