message: Use IP address for prometheus.
diff: @@ -138,7 +138,9 @@ async function main() {
  logging.info('Starting...');
  const prometheusPort = await portProvider.reserveFirstFreePort(9090);
  - const prometheusLocation = `localhost:${prometheusPort}`;
  + // Use 127.0.0.1 instead of localhost for Prometheus because it's resolving incorrectly for some users.
  + // See https://github.com/Jigsaw-Code/outline-server/issues/341
  + const prometheusLocation = `127.0.0.1:${prometheusPort}`;
  const nodeMetricsPort = await portProvider.reserveFirstFreePort(prometheusPort + 1);
  exportPrometheusMetrics(prometheus.register, nodeMetricsPort);
  