fog connection per thread

module Antykwariusz
  module_function

  def fog
    unless Thread.current[:fog]
      opts = {
        provider: 'AWS',
        aws_access_key_id: S3_KEY,
        aws_secret_access_key: S3_SECRET,
        endpoint: "http://#{S3_ENDPOINT}/"
      }

      Thread.current[:fog] = Fog::Storage.new(opts)
    end

    Thread.current[:fog]
  end
end