I love v8 isolates so far-- I'm building chat tooling with it When added to the "edge", it means they're (insanely) fast, obliterate cold-start problem (which

I love v8 isolates so far-- I'm building chat tooling with it When added to the "edge", it means they're (insanely) fast, obliterate cold-start problem (which is killer in chat where you might have not have retry), and as long as what you write can execute between 10-50ms (with ~30s for follow-on queries) it sometimes feels like cheating The same way Cloudflare "pushes" configuration to their network, they use a similar mechanism to push code to their edge nodes. They have killer dev tooling too-- https://github.com/cloudflare/wrangler2 https://github.com/cloudflare/wrangler2 You *DON'T* need to think about regions ever-- just deploy to a lot of small regions instantly & it usually "just works" and is fast everywhere. For extra credit, you also get access to rough-grained location information from each "node" in their network that your users connect to (globally you can get access to rough-grained local timezone, country, city, zipcode, etc): https://blog.cloudflare.com/location-based-personalization-using-workers/ https://blog.cloudflare.com/location-based-personalization-u... ex. for chat, could so something like to prompt for location info: https://i.imgur.com/0qTt1Qd.gif https://i.imgur.com/0qTt1Qd.gif Kenton Varda (https://twitter.com/KentonVarda https://twitter.com/KentonVarda) who was in charge of Protobuf and other projects gave an overview tech talk @ 10:23 speaks to isolates: https://youtu.be/HK04UxENH10?t=625 https://youtu.be/HK04UxENH10?t=625 ## Downsides encountered so far - Not 1-1 replacement, think of your code like a highly-performant service worker (usual suspects: https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API https://developer.mozilla.org/en-US/docs/Web/API/Service_Wor...) - Many libraries (like Axios for instance) won't work since they call out to Nodejs (this might be a good thing, there are so many web APIs available I was able to write a zero-dependency lib pretty easily) They're adding bespoke support for packages: https://blog.cloudflare.com/node-js-support-cloudflare-workers/ https://blog.cloudflare.com/node-js-support-cloudflare-worke... - There's only a tiny of bit of customization for Workers required, however, there's a bit of platform risk If you haven't tried before, definitely worthy of further examination Re: security, it seems like a pretty good model.