Healthcheck Prometheus quick start

import {
  createHealthManager,
  runtimeMetricsCollector,
} from "@nexload-sdk/healthcheck";
import { toPrometheusText } from "@nexload-sdk/healthcheck-prometheus";

const health = createHealthManager({
  service: { name: "api" },
  runtime: "auto",
  collectors: [runtimeMetricsCollector()],
});

const report = await health.run("all");
const body = toPrometheusText(report, {
  prefix: "nexload",
  includeDescriptions: true,
});

console.log(body);

The output includes aggregate health and collector series, for example:

nexload_health_status{service="api",scope="all",status="ok"} 1
nexload_service_uptime_seconds{service="api",scope="all"} 42

The exact uptime value varies. The status series proves the report was serialized; the runtime series proves report-level collector metrics were included.

Return body with the Prometheus text content type and cache-control: no-store. Read the Core quick start for manager scopes. If a series is absent or rejected, use Troubleshooting.