add metrics config

Author: nivm-port

docs/build-your-software-catalog/sync-data-to-catalog/kubernetes-stack/kubernetes/advanced.md

@@ -28,6 +28,7 @@ The following advanced configuration parameters are available:
 {label: "Resync Interval", value: "resyncInterval"},
 {label: "State Key", value: "stateKey"},
 {label: "Logging Level", value: "logging"},
+{label: "Metrics", value: "metrics"},
 {label: "Bulk Sync", value: "bulkSync"},
 {label: "Event listener type", value: "eventListenerType"},
 {label: "CRDs to discover", value: "crdsToDiscover"},
@@ -93,6 +94,19 @@ The `loggingLevel` parameter is used to control the logging level of logs in K8s
 
 </TabItem>
 
+<TabItem value="metrics">
+
+The `metricsEnabled` parameter is used to control if the k8s exporter would expose a `/metrics` endpoint compatible with OTLP.
+
+- **Default value**: `true`
+
+The `metricsPort` parameter is used to control the port number of the metrics server.
+
+- **Default value**: `9090`
+- **Use case**: Set the value to other port if from some reason you cannot expose the metrics server on `9090`.
+
+</TabItem>
+
 <TabItem value="bulkSync">
 
 The `bulkSyncMaxPayloadBytes` parameter is used to control the size (in bytes) of the upsert bulks to port.