store_with Dropbox do |db|
    db.email      = 'my@email.com'
    db.password   = 'my_password'
    db.api_key    = 'my_api_key'
    db.api_secret = 'my_api_secret'
    db.timeout    = 300
    db.path       = '/path/to/my/backups'
    db.keep       = 25
  end