code: func RunMigrations(cfg abcconfig.DBConfig, migrationsPath string) (int, error) {
  	connStr, err := GetConnStr(cfg)
  	if err != nil {
  		return 0, err
  	}
  
  	count, err := mig.Up(cfg.DB, connStr, migrationsPath)
  	if err != nil {
  		return count, err
  	}
  
  	return count, nil
  }
docs: // RunMigrations executes the migrations "up" against the passed in database
  // and returns the number of migrations run.