Cool. By the sounds of it, they needed the docker image in the first place because they chose fly.io. This guy is saying that Cloudflare wouldn't support it, but if they went the cloudflare route (which I'm not saying whether or not it's actually possible), they wouldn't have needed the docker image in the first place.
Since they didn't had to change much of their original functions to docker, if they would have switched to Cloudflare from Vercel directly.
That would have been a lot quicker for them to do...
Alternatively, Cloudflare supports hono which they moved too.
https://developers.cloudflare.com/pages/framework-guides/dep...