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RailsClub 2016

Avatar for Kir Shatrov Kir Shatrov
October 22, 2016
Programming
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RailsClub 2016

Avatar for Kir Shatrov

Kir Shatrov

October 22, 2016
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Transcript

  1. Monolithic Rails: 
 deal with it Railsclub 2016 Kir Shatrov

  2. Kir Shatrov Developer acceleration @ Shopify " Rails, Capistrano, RubyBench

  3. None

  4. Developer acceleration team

  5. Rails Ruby Developer Tools

  6. None

  7. git clone … brew install postgres brew install redis bundle

    install rake db:create

  8. git clone … brew install postgres brew install redis bundle

    install rake db:create где-то тут ломается nokogiri

  9. git clone … brew install postgres brew install redis rake

    db:create vagrant up

  10. VM creation is slow VM has to be updated every

    week from Chef Development in VM is slower VM file system has limitations for frontend stuff
  11. None

  12. The xhyve hypervisor is a port of bhyve to OS

    X. It is built on top of Hypervisor.framework in OS X 10.10 Yosemite and higher, runs entirely in userspace, and has no other dependencies.
  13. None

  14. install Homebrew packages provision language and dependencies ruby, node, go

    create and prepare database setup Git hooks

  15. git clone … brew install postgres brew install redis rake

    db:create dev up
  16. None

  17. Detect dangerous patterns ☠

  18. Detect dangerous patterns changing existing migrations adding new gems changing

    application configuration
  19. None

  20. ⚓ CI ⚓

  21. 50 000

  22. None
  23. None
  24. None
  25. None
  26. None
  27. None

  28. ⚰ Rails upgrade

  29. 1. Make your application boot (fix gem conflicts) 2. Setup

    two Gemfiles and two CI statuses 3. Fix failings tests 4. Deploy to 10% of nodes
  30. None
  31. None
  32. None

  33. 1. Make your application boot (fix gem conflicts) 2. Setup

    two Gemfiles and two CI statuses 3. Fix failings tests 4. Deploy to 10% of nodes
  34. None

  35. 1. Make your application boot (fix gem conflicts) 2. Setup

    two Gemfiles and two CI statuses 3. Fix failings tests 4. Gradually deploy

  36. ⏱ Application boot ⏱

  37. $ rails new railsclub --skip-spring $ time bundle exec rails

    runner "puts 1+1" 2 0.64s user 0.09s system 24% cpu 2.969 total

  38. require 'activerecord' require '/Users/kir/Projects/shopify/vendor/bundle/gems/ activerecord-4.2.7.1/lib/activerecord.rb'

  39. github.com/byroot/bootscale

  40. Rails hacks

  41. block any external calls from inside database transaction instrument Net::HTTP

    by host lint database migrations circuit breaker

  42. continuous improvements share as many tools as possible make people

    happy

  43. shopify.com/careers

  44. @kirs @kirshatrov Спасибо!