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We are using Phoenix Channels[0] for a websocket-based app and it's very easy to setup/work with. It should also scale easily. [0] https://hexdocs.pm/phoenix/c

• joshxyz 6y ago
  When I was researching stuff I've read a lot of good things about Phoenix, I honestly think socket.io and ws NodeJS libraries are inferior compared to that. It's just almost pure luck that the guy who wrote uWebSockets (written in C & C++) also wrote NodeJS bindings, otherwise we'll be stuck with the ones with sub-par api, docs, and performance.