From Noob to Contributing Noob

my talk at ElixirConf 2019 (Prague)

1. From Noob to Contributing Noob Lisbon |> Elixir
2. $> whoami Lisbon |> Elixir Daniel Serrano Software Engineer Biometrics Team @ @dnlserrano
3. Outline Lisbon |> Elixir • a bit about my early days with Elixir • how I went from not knowing the language to contributing to OSS projects • httpoison • spandex • elixir-thrift • the community behind Elixir
4. Early days Lisbon |> Elixir
5. Beginning Lisbon |> Elixir Nizar Venturini @trenpixster
6. Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado
7. Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado
8. Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado
9. Onfido a Lisbon |> Elixir • using it to run a research pipeline made up of a sequence of Python executables in a fault-tolerant way • very hacky • 1st pull-request in Elixir during hackathon • lots of in-house knowledge that has been building up and more…
10. In the Biometrics Team a Lisbon |> Elixir
11. Motus Lisbon |> Elixir • poolboy • worker pools • fuse • circuit breaking • ex_statsd • metrics • mox • mocks for testing • httpoison • http • spandex • tracing microservices aggregator
12. Boxxie Python microservice Content-Type: multipart/mixed;boundary=firstboundary123 --firstboundary123 Content-Type: application/json {“metadata”: …} --firstboundary123 Content-Type: image/png [binary] --firstboundary123 Content-Type: application/json {“metadata”: …} --firstboundary123 Content-Type: image/png [binary] --firstboundary123-- multipart response request Lisbon |> Elixir
13. Lisbon |> Elixir
14. httpoison • did not support multipart out-of-the-box • depends on hackney Lisbon |> Elixir
15. Lisbon |> Elixir
16. Lisbon |> Elixir
17. Lisbon |> Elixir
18. Lisbon |> Elixir :hackney_multipart.decode_form/2
19. Lisbon |> Elixir
20. before after Lisbon |> Elixir
21. Lisbon |> Elixir
22. commit message Lisbon |> Elixir
23. hexdocs Lisbon |> Elixir
24. README Lisbon |> Elixir
25. httpoison contribution done ✔ Lisbon |> Elixir
26. Distributed Tracing Lisbon |> Elixir
27. spandex Lisbon |> Elixir
28. spandex upgrade news Lisbon |> Elixir
29. spandex v2.4.0 re-implement function decorators in our project Lisbon |> Elixir
30. spandex v2.4.0 “How would you feel about bringing back function decorators?” Lisbon |> Elixir
31. spandex v2.4.0 Lisbon |> Elixir
32. spandex v2.4.0 Lisbon |> Elixir
33. spandex v2.4.0 • recognition for your work • gives you a sense of accomplishment • fosters deeper, broader knowledge • strengthens the community Lisbon |> Elixir
34. spandex contribution done ✔ Lisbon |> Elixir
35. • Uber’s open-source distributed tracing platform • uses Thrift as the underlying communication protocol Lisbon |> Elixir
36. service struct Thrift IDL Lisbon |> Elixir
37. elixir-thrift Lisbon |> Elixir
38. elixir-thrift Lisbon |> Elixir
39. elixir-thrift contribution done ✔ Lisbon |> Elixir
40. Community
41. MINASWAN “Matz is nice and so we are nice” Yukihiro Matsumoto Lisbon |> Elixir
42. JINASWAN José Valim “José is nice and so we are nice” Lisbon |> Elixir
43. Get Involved • follow Elixir community members on Twitter • watch elixirforum.com • sign up for the Plataformatec newsletter on Elixir • listen to podcasts • read (and write) blog posts • present talks at the Lisbon |> Elixir meetup Lisbon |> Elixir
44. Thank you questions? Lisbon |> Elixir