code: func (Pipe) Run(ctx *context.Context) (err error) {
  	var path = filepath.Join(ctx.Config.Dist, "config.yaml")
  	bts, err := yaml.Marshal(ctx.Config)
  	if err != nil {
  		return err
  	}
  	log.WithField("config", path).Info("writing")
  	return ioutil.WriteFile(path, bts, 0644)
  }
docs: // Run the pipe