code: func pgEnv(cfg abcconfig.DBConfig, passFilePath string) []string {
  	return []string{
  		fmt.Sprintf("PGHOST=%s", cfg.Host),
  		fmt.Sprintf("PGPORT=%d", cfg.Port),
  		fmt.Sprintf("PGUSER=%s", cfg.User),
  		fmt.Sprintf("PGPASSFILE=%s", passFilePath),
  	}
  }
docs: // pgEnv returns a slice of the connection related environment variables