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A comment on You need to be able to run your system. Parent comment

Re:You need to be able to run your system by btown on Tuesday February 23, 2021 @10:14AM (#26238172)
For realtime requirements, I'm keeping a close eye on Supabase, which is building an open-source realtime Firebase-style API on top of the Postgres WAL. Theoretically, it's just Postgres with a bunch of services on top, so if you bring your own database migration and fixtures system, you could run a copy locally. Not sure that tooling is fully there yet (and it could use some of the model-layer bells and whistles I remember from the days when Meteor was the way you'd go for realtime), but the dev experience is very promising:

https://github.com/supabase/realtime/blob/master/examples/ne...

https://github.com/supabase/supabase

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Re:You need to be able to run your system by arcturus17 on Tuesday February 23, 2021 @10:29AM (#26238370)
Yes, I also think that realtime is something where Firebase or Supabase may help. The app I'm talking about has no such requirements, and likely won't have them ever.

Even then, if I were to build an app with a predictable realtime requirement I would (a) find a full-stack framework with this as a core feature (b) use a framework without this core capability, but look very hard for the simplest library that would allow me to pull off the requirements, and only if all else fails do (c) which is to isolate the realtime component into something like Firebase and build everything else in the core stack. (I haven't tried Supabase, but from what I understand it might fall more into (b) than (c), since you can bring your own infra)

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Re:You need to be able to run your system by btown on Wednesday February 24, 2021 @12:11PM (#26252463)
One of my favorite apps, Clubhouse.io (the project management solution, not the controversial audio social network), mimics realtime by just having a really, really optimized polling endpoint for the last timestamp the project was touched, then the client refreshes as needed (which would hit cache if you account for distributed systems propagation, if you even need to worry about that). It's an amazingly simple solution and one I'd recommend for anything in B2B modalities.
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