code: func IsContainerized() (bool, error) {
  	b, err := ioutil.ReadFile(proc1Cgroup)
  	if err != nil {
  		return false, err
  	}
  	for _, line := range bytes.Split(b, []byte{'\n'}) {
  		if len(line) > 0 && !bytes.HasSuffix(line, []byte{'/'}) && !bytes.HasSuffix(line, []byte("init.scope")) {
  			return true, nil
  		}
  	}
  	return false, nil
  }
docs: // IsContainerized returns true if we are running inside a container.