Tried installing it in a heroku instance following your directions, sign-ups don't seem to work though. Do you have any ideas? WebSocket connection to 'ws://[i

Tried installing it in a heroku instance following your directions, sign-ups don't seem to work though. Do you have any ideas? WebSocket connection to 'ws://[instance].herokuapp.com/socket.io/1/websocket/KqW6Fh7TtpdmUelBVVly' failed: Unexpected response code: 503