Unicorn for sleepy apps and slow clients

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 # lib-large-file-response will stop running if we're not on Linux here
use Rack::ContentLength
use Rack::ContentType
map "/rss" do
  run lambda { |env|
    # on Linux, this is in kilobytes
    ::File.read("/proc/self/status") =~ /^VmRSS:\s+(\d+)/
    [ 200, {}, [ ($1.to_i * 1024).to_s ] ]
  }
end
map "/" do
  run Rack::File.new(Dir.pwd)
end