Merge pull request #265465 from jpds/caddy-restart-on-failure

        ReadWriteDirectories = cfg.dataDir;

        StateDirectory = mkIf (cfg.dataDir == "/var/lib/caddy") [ "caddy" ];

        LogsDirectory = mkIf (cfg.logDir == "/var/log/caddy") [ "caddy" ];

        Restart = "on-abnormal";

        Restart = "on-failure";

        RestartPreventExitStatus = 1;

        RestartSecs = "5s";

        # TODO: attempt to upstream these options

        NoNewPrivileges = true;