Elixir. There and Back Again

Transcript

1. None
2. None

3. EVIL MARTIANS

4. EVIL MARTIANS

5. Nikolay Sverchkov @ssnickolay

6. Battle of facts

7. Dependencies

8. ??? “Welcome email” ???

9. Sidekiq (Redis) “Welcome email” ???

10. GenServer defmodule EmailSender do use GenServer def handle_cast({:send, email}, state)

    do # send email {:noreply, state} end end # Start the server {:ok, pid} = GenServer.start_link(EmailSender, []) # This is the client GenServer.cast(pid, {:send, “user@example.com"}) #=> :ok

11. Sidekiq (Redis) “Welcome email” [OTP] GenServer

12. Sidekiq (Redis) ??? “We love cashcache” [OTP] GenServer ???

13. Sidekiq (Redis) Memcached “We love cashcache” [OTP] GenServer ???

14. Memcached vs ETS

15. Sidekiq (Redis) Memcached “We love cashcache” [OTP] GenServer [OTP] ETS

16. Sidekiq (Redis) Memcached ??? “Where is my long polling?” [OTP]

    GenServer [OTP] ETS ???

17. Sidekiq (Redis) Memcached AnyCable “Where is my long polling?” [OTP]

    GenServer [OTP] ETS ???

18. Sidekiq (Redis) Memcached AnyCable “Where is my long polling?” [OTP]

    GenServer [OTP] ETS Phoenix Channels

19. Sidekiq (Redis) Memcached AnyCable ??? Message broker [OTP] GenServer [OTP]

    ETS Phoenix Channels ???

20. Sidekiq (Redis) Memcached AnyCable RabbitMQ Message broker [OTP] GenServer [OTP]

    ETS Phoenix Channels RabbitMQ
21. None

22. Wait, it's like…

23. None

24. Erlang -> Java BEAM -> JVM Elixir -> ???

25. None

26. Development

27. ??? Speed ???

28. Spring + Bootsnap Speed By Design

29. Spring + Bootsnap ??? Architecture [DDD] By Design ???

30. Spring + Bootsnap Trailblazer\Dry(Hanami?) Architecture [DDD] By Design By Design

31. Spring + Bootsnap Trailblazer\Dry(Hanami?) ??? Umbrella By Design By Design

    ???

32. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Umbrella By Design By Design

    By Design

33. Flawless Victory?

34. I have to rewrite everything with Elixir

35. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? ??? Debugging By Design By

    Design Umbrella ???

36. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Pry Debugging By Design By

    Design Umbrella IEx.pry

37. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Pry ??? Deploy By Design

    By Design Umbrella IEx.pry ???

38. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Pry Docker\Capistrano Deploy By Design

    By Design Umbrella IEx.pry Mix\Distillery

39. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Pry Docker\Capistrano ??? Tests tooling

    By Design By Design Umbrella IEx.pry Mix\Distillery ???

40. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? Pry Docker\Capistrano Rspec\Capybara Tests tooling

    By Design By Design Umbrella IEx.pry Mix\Distillery Espec\Hound

41. Overtime

42. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? ActiveRecord (Rom?) Docker\Capistrano Rspec\Capybara Upload

    Image By Design By Design Umbrella Ecto Mix\Distillery Espec\Hound

43. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? ActiveRecord (Rom?) Docker\Capistrano Rspec\Capybara Send

    Email with attachment By Design By Design Umbrella Ecto Mix\Distillery Espec\Hound

44. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? ActiveRecord (Rom?) Docker\Capistrano Rspec\Capybara Authorization

    By Design By Design Umbrella Ecto Mix\Distillery Espec\Hound

45. Spring + Bootsnap Trailblazer\Dry(Hanami?) Hanami? ActiveRecord (Rom?) Docker\Capistrano Rspec\Capybara Update

    deps By Design By Design Umbrella Ecto Mix\Distillery Espec\Hound

46. Summary

47. Good for: Monolith Microservice Terrible for: Concurrency Key points Good

    for: Microservice Concurrency Terrible for: CMS Admin panel

48. Why exactly Elixir?

49. Why exactly Elixir? • Fast learning • A lot of

    job offers • http://erlangjobs.ru/ • High salary (Ruby < Elixir < Go) https://t.me/proelixir https://wunsh.ru/