Support multiple bind_uris

[jayofdoom]

Currently, you can only specify one bind_uri. Docker supports specifying more than one.

I'll begin work on a PR to do this within a week or so if you'll accept it + this hasn't been fixed by then.

Thanks!

[bflad]

Seems reasonable since Docker allows for binding both a socket file and tcp URI. How were you thinking the implementation would look? I'd be tempted to just add a bind_socket (or similar) attribute that handles the -H for the socket file.

[jayofdoom]

I was just going to implement the bind_uri as an array, actually. That way people can bind to whatever they want, as much as they want.

[bflad]

In 0.12.0 of the cookbook, I've added node['docker']['bind_socket'] with default of unix:///var/run/docker.sock and left node['docker']['bind_uri'] available to be overridden. It doesn't make sense (or works? haven't tested) to bind to more than one socket and one URI at a time.