This is a proof of concept getting Frontend Application Bundles (FABs, see more at https://fab.dev).
FABs are designed to compile any frontend project and deploy them anywhere that can run JS:
http://nextjs-fab-cloudflare-workers.bitg.io/
https://nextjs8-demo.glenmaddern.now.sh/
https://fab-nextjs.herokuapp.com/
NextJS is a tricky target for FABs, as it, like a lot of NodeJS server-side JS projects, assumes a fair bit about the environment it runs on. Since version 8, Next has offered two build targets: NodeJS & Serverless. The serverless build has stripped out a lot of the old assumptions and generates a single file per "route" for NextJS. Each of these files shares a lot with each other, and @fab/nextjs isn't very smart about things at the moment, but it's possible to create a FAB with all of these files inlined and generate a router from the filesystem.
Definitely a proof-of-concept at this stage, but look, it works, and for a while I didn't think it would be able to, so I'm calling that a win!
The Cloudflare Workers and Amazon Lambda@Edge deployers aren't fully open-sourced yet. They're in the process of being extracted from the Linc codebase.
An aside, FAB development is sponsored by (and makes possible) the Linc product, so if you like the idea of FABs, come and sign up! You can see this repo's recent builds on Linc here.
The Now.sh and Heroku deployments haven't been generalised—they're hard-coded into this repo's npm scripts. But they both use the fab.zip generated by npm run build:fab, rather than doing anything with the sourcecode.