code: func (c *StatusController) Show(ctx *app.ShowStatusContext) error {
  	res := &app.Status{}
  	res.Commit = Commit
  	res.BuildTime = BuildTime
  	res.StartTime = StartTime
  
  	_, err := c.db.DB().Exec("select 1")
  	if err != nil {
  		var message string
  		message = err.Error()
  		res.Error = &message
  		return ctx.ServiceUnavailable(res)
  	}
  	return ctx.OK(res)
  }
docs: // Show runs the show action.