# What Micrometer exports (one pod):
$ curl <pod>:8080/actuator/prometheus | grep app_inflight
# HELP app_inflight_requests Requests currently being processed by /work
# TYPE app_inflight_requests gauge
app_inflight_requests{application="orders"} 0.0

# What the HPA controller sees through the custom metrics API:
$ kubectl get --raw /apis/custom.metrics.k8s.io/v1beta1/namespaces/demo/pods/%2A/app_inflight_requests
{
    "kind": "MetricValueList",
    "apiVersion": "custom.metrics.k8s.io/v1beta1",
    "metadata": {},
    "items": [
        {
            "describedObject": {
                "kind": "Pod",
                "namespace": "demo",
                "name": "orders-7774f94779-gvc7k",
                "apiVersion": "/v1"
            },
            "metricName": "app_inflight_requests",
            "timestamp": "2026-09-11T16:33:28Z",
            "value": "0",
            "selector": null
        }
    ]
}