Function main

examples/simple/main.go:30–45

()

var addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.")

func main() {
	flag.Parse()

	// Create non-global registry.
	reg := prometheus.NewRegistry()

	// Add go runtime metrics and process collectors.
	reg.MustRegister(
		collectors.NewGoCollector(),
		collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
	)

	// Expose /metrics HTTP endpoint using the created custom registry.
	http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
	log.Fatal(http.ListenAndServe(*addr, nil))
}