def processes
      raise ContainerError, "Container is not running" if !running?

      str = run("ps", "--", "-eo pid,user,%cpu,%mem,args").strip
      lines = str.split("\n") ; lines.delete_at(0)
      lines.map { |l| parse_process_line(l) }
    end
def processes
      raise ContainerError, "Container is not running" if !running?

      str = run("ps", "--", "-eo pid,user,%cpu,%mem,args").strip
      lines = str.split("\n") ; lines.delete_at(0)
      lines.map { |l| parse_process_line(l) }
    end
Get container processes
 @return [Array] list of all processes