# File lib/docker/image.rb, line 41
  def tag(opts = {})
    self.info['RepoTags'] ||= []
    connection.post(path_for(:tag), opts)
    repo = opts['repo'] || opts[:repo]
    tag = opts['tag'] || opts[:tag] || 'latest'
    self.info['RepoTags'] << "#{repo}:#{tag}"
  end