message: Gorilla supports pings. Remove this.
diff: @@ -8,20 +8,6 @@ import * as _ from 'lodash';
  const wsCache = {};
  -const HEARTBEAT_INTERVAL = 30000;
  -setInterval(() => {
  - // proxy.go uses golang.org/x/net/websocket, which doesn't send pings: https://github.com/golang/go/issues/5958
  - // That means if our connection is idle for > 60 seconds, we get disconnected.
  - _.each(wsCache, (v) => {
  - const ws = v.ws;
  - if (!ws || ws.readyState !== WebSocket.OPEN) {
  - return;
  - }
  - // k8s seems to disregard anything it doesn't understand. Yes, sending empty string sends data.
  - v.ws.send('');
  - });
  -}, HEARTBEAT_INTERVAL);
  -
  function validOptions(o) {
  if (!o.host) {
  console.error('missing required host argument');
  