You need to find a solution that doesn't waste your time.
You can duplicate your code on the server.
You can run a PhantomJS server farm.
How much time do you want to waste?
We open all your pages with a headless browser and save html snapshots.
When Google visits your website, you just send them the snapshot from our server.
Whenever you make changes or add pages, we'll keep the snapshots up to date.