code: func (e *Empire) CertsAttach(ctx context.Context, opts CertsAttachOpts) error {
  	tx := e.db.Begin()
  
  	if err := e.certs.CertsAttach(ctx, tx, opts); err != nil {
  		tx.Rollback()
  		return err
  	}
  
  	return tx.Commit().Error
  }
docs: // CertsAttach attaches an SSL certificate to the app.