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RAILS ENGINES MICRO SERVICES AS A WAY TO

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LUCAS ALENCAR @lucasalencar @alencar.lucas.a @lucasandre

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MONOLITHIC ARCHITECTURE

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LEVEL OF ABSTRACTION WE ARE MAYBE MISSING A

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CLASSES METHODS MODULES ????????

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CLASSES METHODS MODULES SERVICES

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MICRO SERVICES

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I HATE DEVOPS!

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I’M LAZY…

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RAILS ENGINES

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MICRO SERVICES STARTS AT CODE

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DECOUPLING STARTS AT CODE

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RAILS ENGINES ARE NOT MICRO SERVICES

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RAILS ENGINES ARE NOT MICRO SERVICES (YET)

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IMPROVED Communication Collaboration Creation Maintenance Comprehension

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RD STATION EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS MARKETING BI LEADS MANAGEMENT SEGMENTATION

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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EMAIL MARKETING LANDING PAGES SOCIAL MEDIA POSTS LEADS MANAGEMENT SEGMENTATION LEADS IMPORT MARKETING AUTOMATION EMAILS CUSTOM FIELDS SOCIAL MEDIAS DASHBOARD

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ARE FREE* RAILS ENGINES * Sort of…

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HOW CAN I DO IT?

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~/code rails plugin new engines/engineX --mountable create create README.rdoc create Rakefile create engine_x.gemspec create MIT-LICENSE create .gitignore create Gemfile create app create app/controllers/engine_x/application_controller.rb create app/helpers/engine_x/application_helper.rb create app/mailers create app/models create app/views/layouts/engine_x/application.html.erb create app/assets/images/engine_x create app/assets/images/engine_x/.keep create config/routes.rb create lib/engine_x.rb create lib/tasks/engine_x_tasks.rake

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SINGLE REPOSITORY MULTIPLE REPOSITORIES

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. ├── app ├── bin ├── config ├── db ├── engines │ ├── engineX │ ├── engineY │ └── engineZ ├── lib ├── public ├── test └── tmp

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1 source 'https://rubygems.org' 2 3 path './engines' do 4 gem 'engineX' 5 gem 'engineY' 6 gem 'engineZ' 7 end 8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ NORMAL Gemfile

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WHY NOT USE OUR GOOD OLD GEMS?

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. ├── app ├── config └── engines └── engineX ├── app │ ├── controllers │ ├── helpers │ ├── models │ └── views ├── config │ └── routes.rb ├── Gemfile └── engine_x.gemspec

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WHAT GOES INSIDE AN ENGINE? CODE TESTS DUMMY APP FOR TESTS (AUTOMATED AND MANUAL) DATA MIGRATIONS ROUTES

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1 module EngineX 2 class Engine < ::Rails::Engine 3 isolate_namespace EngineX 4 end 5 end ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ NORMAL lib/engine_x/engine.rb

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1 module EngineX 2 class Engine < ::Rails::Engine 3 isolate_namespace EngineX 4 end 5 end ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ NORMAL lib/engine_x/engine.rb

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1 module EngineX 2 class Engine < ::Rails::Engine 3 isolate_namespace EngineX 4 end 5 end ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ NORMAL lib/engine_x/engine.rb

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1 module EngineX 2 class Engine < ::Rails::Engine 3 isolate_namespace EngineX 4 end 5 end ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ NORMAL lib/engine_x/engine.rb

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AVOID CIRCULAR DEPENDENCIES

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MAIN APP ENGINE

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MAIN APP ENGINE

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MICRO SERVICE? HOW A RAILS ENGINE CAN BECOME A

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RD STATION DB EMAIL MARKETING LANDING PAGES

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RD STATION DB EMAIL MARKETING LANDING PAGES email_marketing_* landing_pages_*

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RD STATION EMAIL MARKETING DB EMAIL MARKETING LANDING PAGES email_marketing_* landing_pages_* LANDING PAGES DB

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WHY SHOULD I USE RAILS ENGINES INSTEAD OF GOING ALL THE WAY TO MICRO SERVICES ?

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WHY SHOULD I USE RAILS ENGINES INSTEAD OF GOING ALL THE WAY TO MICRO SERVICES ?

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RAILS ENGINES MICRO SERVICES AS A WAY TO

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Thanks LUCAS ALENCAR we’re hiring! bit.ly/2dofWZj alencar.lucas.a@gmail.com shipit.resultadosdigitais.com.br