func PrometheusHandler() http.Handler {
	return prometheus.Handler()
}
PrometheusHandler Bootstraps prometheus for metrics collection
package metrics
import (
	"net/http"
	"github.com/prometheus/client_golang/prometheus"
)
type MetricOptions struct {
	GatewayFunctionInvocation *prometheus.CounterVec
	GatewayFunctionsHistogram *prometheus.HistogramVec
	ServiceReplicasCounter    *prometheus.GaugeVec
}