Not sure if you've seen this guide here, but there is a way to setup dynamic routing with clean URLs that doesn't require adding your own server handler if you use Now v2 for deployments:

https://zeit.co/guides/custom-next-js-server-to-routes/

Also, I recently wrote about how I locally develop Now v2 apps with an example of SSR dynamic routes:

https://medium.com/digital-surgeons-engineering/how-to-set-u...