a redis session store for rack. largely based on Rack::Session::Pool. this is an initial release, use with care. patches gladly accepted.
$ cat config.ru
require "rack/session/redis"
use Rack::Session::Redis, {
:url => "redis://localhost:6379/0",
:namespace => "rack:session",
:expire_after => 600
}
using ‘:expire_after` requires redis >= 2.0.