EnvMinIOPrometheusExtraLabels = "MINIO_PROMETHEUS_EXTRA_LABELS"
	EnvMinIOPrometheusAuthToken   = "MINIO_PROMETHEUS_AUTH_TOKEN"
	EnvConsoleDebugLogLevel       = "MINIO_CONSOLE_DEBUG_LOGLEVEL"

	EnvUpdate = "MINIO_UPDATE"

	EnvEndpoints  = "MINIO_ENDPOINTS"   // legacy
	EnvWorm       = "MINIO_WORM"        // legacy
	EnvRegion     = "MINIO_REGION"      // legacy
	EnvRegionName = "MINIO_REGION_NAME" // legacy

)

		for _, host := range globalEndpoints.Hostnames() {
			domainIPs.Add(host)
		}
		updateDomainIPs(domainIPs)
	}

	// In place update is true by default if the MINIO_UPDATE is not set
	// or is not set to 'off', if MINIO_UPDATE is set to 'off' then
	// in-place update is off.
	globalInplaceUpdateDisabled = strings.EqualFold(env.Get(config.EnvUpdate, config.EnableOn), config.EnableOff)

	// Disable redirect, default is enabled.
	globalBrowserRedirect bool

	// globalBrowserConfig Browser user configurable settings
	globalBrowserConfig browser.Config

	// This flag is set to 'true' when MINIO_UPDATE env is set to 'off'. Default is false.
	globalInplaceUpdateDisabled = false

	// Captures site name and region
	globalSite config.Site

	// MinIO local server address (in `host:port` format)

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.ServerUpdateAdminAction)
	if objectAPI == nil {
		return
	}

	if globalInplaceUpdateDisabled || currentReleaseTime.IsZero() {
		// if MINIO_UPDATE=off - inplace update is disabled, mostly in containers.
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
		return
	}

	vars := mux.Vars(r)
	updateURL := vars["updateURL"]