Let's give REST a rest: exploring the state of gRPC in Ruby

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#EuRuKo2024  @FerPeralesM Fernando Perales  @FerPeralesM Let's Give REST a rest: Exploring the state of gRPC in Ruby

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM • Development Team Lead @ thoughtbot • From Guadalajara, Mexico • RubyMX organizer and host • Co-organizer @ RailsBridge Mexican chapter Illustration by instagram.com/@layered_space

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#EuRuKo2024  @FerPeralesM An odyssey to get here GDL 🚎 BJX BJX 🛫 IAH     IAH 🛫 FRA FRA 🛫 SJJ

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Story time

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#EuRuKo2024  @FerPeralesM Joined a RoR consultancy as a trainee in February 2013

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#EuRuKo2024  @FerPeralesM Left that company in October 2016 to join a startup

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#EuRuKo2024  @FerPeralesM Why?

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#EuRuKo2024  @FerPeralesM The stack

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#EuRuKo2024  @FerPeralesM The stack • Go • Cassandra • Kubernetes • Angular 2 • gRPC + protobuf

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#EuRuKo2024  @FerPeralesM The stack • Go • Cassandra • Kubernetes • Angular 2 • gRPC + protobuf

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#EuRuKo2024  @FerPeralesM 5 months later…

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Joined another RoR consultancy in June 2017

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#EuRuKo2024  @FerPeralesM I’ve been doing RoR full time since then!

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#EuRuKo2024  @FerPeralesM #blessed 🙏

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#EuRuKo2024  @FerPeralesM Tried to bring gRPC + protobuf into my Ruby world

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#EuRuKo2024  @FerPeralesM No luck

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#EuRuKo2024  @FerPeralesM Why is gRPC more popular in some languages than in others?

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM A travel to the past

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#EuRuKo2024  @FerPeralesM 1993 - 1994

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#EuRuKo2024  @FerPeralesM 🌍

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#EuRuKo2024  @FerPeralesM W3C and IETF

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#EuRuKo2024  @FerPeralesM Roy Fielding

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#EuRuKo2024  @FerPeralesM REST

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#EuRuKo2024  @FerPeralesM Architectural Styles and the Design of Network-based Software

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#EuRuKo2024  @FerPeralesM https://upload.wikimedia.org/wikipedia/commons/8/83/REST_information_model.png

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#EuRuKo2024  @FerPeralesM https://upload.wikimedia.org/wikipedia/commons/8/83/REST_information_model.png

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#EuRuKo2024  @FerPeralesM Another travel to the past (future)

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#EuRuKo2024  @FerPeralesM 2016

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#EuRuKo2024  @FerPeralesM Microservices era ✨

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#EuRuKo2024  @FerPeralesM August 2016

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM RPC

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#EuRuKo2024  @FerPeralesM gRPC characteristics

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#EuRuKo2024  @FerPeralesM Definition of services and contracts

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#EuRuKo2024  @FerPeralesM Protocol Buffers (protobuf)

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Four types of method calls

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM  FerPerales/grpc_demo

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#EuRuKo2024  @FerPeralesM Definition of contracts

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Creating our server

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#EuRuKo2024  @FerPeralesM Code generation

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#EuRuKo2024  @FerPeralesM For Ruby: grpc_tools_ruby_protoc -I ../protos --ruby_out=./ server/lib —grpc_out=./server/lib ../protos/hello.proto

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Implement our service

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Creating our server

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Creating our client

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#EuRuKo2024  @FerPeralesM Code generation

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#EuRuKo2024  @FerPeralesM For Ruby: grpc_tools_ruby_protoc -I ../protos --ruby_out=./ client/lib —grpc_out=./client/lib ../protos/hello.proto

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Implement our client

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Running the server

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#EuRuKo2024  @FerPeralesM ruby server/app/server.rb

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#EuRuKo2024  @FerPeralesM Client calls say_hello in server

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#EuRuKo2024  @FerPeralesM ruby client/app/client.rb “Euruko 2024!”

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Advantages of using gRPC + profobufs

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#EuRuKo2024  @FerPeralesM /api/v{n+1}

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#EuRuKo2024  @FerPeralesM How protobuf helps with versioning?

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM

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#EuRuKo2024  @FerPeralesM Performance

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#EuRuKo2024  @FerPeralesM Disadvantages of using gRPC + protobuf

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#EuRuKo2024  @FerPeralesM Implementation

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#EuRuKo2024  @FerPeralesM Debugging

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#EuRuKo2024  @FerPeralesM When should we use gRPC?

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#EuRuKo2024  @FerPeralesM It depends™

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#EuRuKo2024  @FerPeralesM PoC

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#EuRuKo2024  @FerPeralesM Multi language systems

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#EuRuKo2024  @FerPeralesM Microservices

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#EuRuKo2024  @FerPeralesM Internal communication systems

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#EuRuKo2024  @FerPeralesM Low-bandwidth networks

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#EuRuKo2024  @FerPeralesM As one of your innovation tokens

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#EuRuKo2024  @FerPeralesM boringtechnology.club

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#EuRuKo2024  @FerPeralesM Why is gRPC more popular in some language than in others?

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#EuRuKo2024  @FerPeralesM 🤷

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#EuRuKo2024  @FerPeralesM …

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#EuRuKo2024  @FerPeralesM Some guesses

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#EuRuKo2024  @FerPeralesM Strong ties with micro services

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#EuRuKo2024  @FerPeralesM REST APIs are enough most of the time

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#EuRuKo2024  @FerPeralesM Speed is not everything

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#EuRuKo2024  @FerPeralesM That’s why most of us don’t go to work by plane*

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#EuRuKo2024  @FerPeralesM Thank you! me@ferperales.net linkedin.com/in/ferperales 🤖 Upcoming thoughtbot events 🤖 In-person office hours - October 10th & 11th - London thoughtbot open summit - October 25th - online