One solution is to detect Googlebot and render the page server-side in a headles...

One solution is to detect Googlebot and render the page server-side in a headless browser, and send the generated HTML instead of the full JS app. You could even cache the generated HTML to S3 to speed up pageload, which Google likes.

If you use Node...

http://zombie.labnotes.org/

http://prerender.io/

http://phantomjs.org/