code: func (c *WorkItemBoardController) Show(ctx *app.ShowWorkItemBoardContext) error {
  	var board *workitem.Board
  	err := application.Transactional(c.db, func(appl application.Application) error {
  		b, err := appl.Boards().Load(ctx, ctx.BoardID)
  		if err != nil {
  			return errs.WithStack(err)
  		}
  		board = b
  		return nil
  	})
  	if err != nil {
  		return jsonapi.JSONErrorResponse(ctx, err)
  	}
  	res := &app.WorkItemBoardSingle{
  		Data: ConvertBoardFromModel(ctx.Request, *board),
  	}
  	for _, column := range board.Columns {
  		res.Included = append(res.Included, ConvertColumnsFromModel(ctx.Request, column))
  	}
  	return ctx.OK(res)
  }
docs: // Show runs the show action.