upstream minio {
        server site2-minio1:9000;
        server site2-minio2:9000;
        server site2-minio3:9000;
        server site2-minio4:9000;
    }

    server {
        listen       9002;
        listen  [::]:9002;
        server_name  localhost;

        # To allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded.

    upstream minio {
        server minio1:9000;
        server minio2:9000;
        server minio3:9000;
        server minio4:9000;
    }

    # main minio
    server {
        listen       9000;
        listen  [::]:9000;
        server_name  localhost;

         # To allow special characters in headers
         ignore_invalid_headers off;
         # Allow any size file to be uploaded.

	if port <= 0 {
		return
	}
	mux := http.NewServeMux()
	var listener net.Listener
	var err error
	if listener, err = net.Listen("tcp", fmt.Sprintf(":%d", port)); err != nil {
		log.Errorf("unable to listen on socket: %v", err)
		return
	}
	exporter, err := monitoring.RegisterPrometheusExporter(nil, nil)
	if err != nil {
		log.Errorf("could not set up prometheus exporter: %v", err)

    upstream minio {
        server site1-minio1:9000;
        server site1-minio2:9000;
        server site1-minio3:9000;
        server site1-minio4:9000;
    }

    server {
        listen       9001;
        listen  [::]:9001;
        server_name  localhost;

        # To allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded.

          "step": 300
        }
      ],
      "title": "TTFB Distribution",
      "type": "bargauge"
    },
    {
      "aliasColors": {
        "S3 Errors": "light-red",
        "S3 Requests": "light-green"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },

              "options": "S3 Errors"
            },
            "properties": [
              {
                "id": "color",
                "value": {
                  "fixedColor": "light-red",
                  "mode": "fixed"
                }
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",

 * shared resources.
 *
 * @param <K> the most general type of keys this listener can listen for; for example {@code Object}
 *     if any key is acceptable
 * @param <V> the most general type of values this listener can listen for; for example {@code
 *     Object} if any key is acceptable
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
@FunctionalInterface

      "tags": [
        "minio"
      ],
      "type": "dashboards"
    }
  ],
  "liveNow": false,
  "panels": [
    {
      "aliasColors": {
        "Replication Errors": "light-red",
        "Replication Requests": "light-green"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },

    ```

Das bewirkt, dass `tags` eine Liste ist, wenngleich es nichts über den Typ der Elemente der Liste aussagt.

## Listen mit Typ-Parametern als Felder

Aber Python erlaubt es, Listen mit inneren Typen, auch „Typ-Parameter“ genannt, zu deklarieren.

### `List` von `typing` importieren

 * shared resources.
 *
 * @param <K> the most general type of keys this listener can listen for; for example {@code Object}
 *     if any key is acceptable
 * @param <V> the most general type of values this listener can listen for; for example {@code
 *     Object} if any key is acceptable
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible