Richard Garbutt

What about [geoserver ](http://geoserver.org/display/GEOS/Welcome) for self-hosted data?

I'd expect WFS would be best for vector data but it does look a little heavyweight. Maybe a simple json server to return PostGIS data would be easier.

So it looks like nested maps don't work as the only way to create a `Y::Map` object it to use `Y::Doc#get_map` as the `Y::Map` constructor crashes. In javascript I can...

> I'll try again without NewRelic and AppSignal gems to see if they are causing the issue. Still seeing the issue without these gems installed.