startupArgs = append(startupArgs, "--concurrency", fmt.Sprint(e.Concurrency))
	}

	return startupArgs
}

var HostIP = os.Getenv("HOST_IP")

// readBootstrapToJSON reads a config file, in YAML or JSON, and returns JSON string
func readBootstrapToJSON(fname string) (string, error) {
	b, err := os.ReadFile(fname)
	if err != nil {
		return "", fmt.Errorf("failed to read file: %s, %v", fname, err)
	}