tergolong muda sangat mas, bisa baca ini untuk contoh case penggunaan Elixir yah, discord juga pakai Elixir

https://elixir-lang.org/blog/2020/10/08/real-time-communication-at-scale-with-elixir-at-discord/

https://discord.com/blog/how-discord-handles-push-request-bursts-of-over-a-million-per-minute-with-elixirs-genstage

https://blog.discord.com/scaling-elixir-f9b8e1e7c29b

kalau saya ingatnya coc mas bahas elixir wkwk