From Noob to Contributing Noob

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From Noob to Contributing Noob Lisbon |> Elixir

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$> whoami Lisbon |> Elixir Daniel Serrano Software Engineer Biometrics Team @ @dnlserrano

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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

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Early days Lisbon |> Elixir

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Beginning Lisbon |> Elixir Nizar Venturini @trenpixster

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Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado

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Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado

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Later on… Lisbon |> Elixir Paulo Pereira @odesassossegado

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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…

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In the Biometrics Team a Lisbon |> Elixir

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Motus Lisbon |> Elixir • poolboy • worker pools • fuse • circuit breaking • ex_statsd • metrics • mox • mocks for testing • httpoison • http • spandex • tracing microservices aggregator

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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

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Lisbon |> Elixir

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httpoison • did not support multipart out-of-the-box • depends on hackney Lisbon |> Elixir

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Lisbon |> Elixir

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Lisbon |> Elixir

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Lisbon |> Elixir

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Lisbon |> Elixir :hackney_multipart.decode_form/2

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Lisbon |> Elixir

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before after Lisbon |> Elixir

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Lisbon |> Elixir

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commit message Lisbon |> Elixir

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hexdocs Lisbon |> Elixir

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README Lisbon |> Elixir

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httpoison contribution done ✔ Lisbon |> Elixir

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Distributed Tracing Lisbon |> Elixir

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spandex Lisbon |> Elixir

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spandex upgrade news Lisbon |> Elixir

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spandex v2.4.0 re-implement function decorators in our project Lisbon |> Elixir

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spandex v2.4.0 “How would you feel about bringing back function decorators?” Lisbon |> Elixir

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spandex v2.4.0 Lisbon |> Elixir

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spandex v2.4.0 Lisbon |> Elixir

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spandex v2.4.0 • recognition for your work • gives you a sense of accomplishment • fosters deeper, broader knowledge • strengthens the community Lisbon |> Elixir

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spandex contribution done ✔ Lisbon |> Elixir

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• Uber’s open-source distributed tracing platform • uses Thrift as the underlying communication protocol Lisbon |> Elixir

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service struct Thrift IDL Lisbon |> Elixir

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elixir-thrift Lisbon |> Elixir

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elixir-thrift Lisbon |> Elixir

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elixir-thrift contribution done ✔ Lisbon |> Elixir

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Community

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MINASWAN “Matz is nice and so we are nice” Yukihiro Matsumoto Lisbon |> Elixir

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JINASWAN José Valim “José is nice and so we are nice” Lisbon |> Elixir

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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

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Thank you questions? Lisbon |> Elixir