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Saturday, April 6, 13

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The end to my last talk Saturday, April 6, 13

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All gems start with a namespace Saturday, April 6, 13

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No Rails app starts with a namespace Saturday, April 6, 13

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Rails Gems Saturday, April 6, 13

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(a gorgeous and infinite nothingness) Rails Gems Saturday, April 6, 13

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(a gorgeous and infinite nothingness with all the bells and whistles of active*) Rails Gems Saturday, April 6, 13

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Try this! Namespace everything in your next app Saturday, April 6, 13

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Give yourself a box so you can start thinking outside of it Saturday, April 6, 13

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Component-based Ruby and Rails Architectures Stephan Hagemann Saturday, April 6, 13

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Saturday, April 6, 13

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Let’s talk about large apps Saturday, April 6, 13

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Never build large apps. Saturday, April 6, 13

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Saturday, April 6, 13

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Your app wants to kill you! Sandi Metz Saturday, April 6, 13

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HTTP://WWW.FLICKRIVER.COM/PHOTOS/REXY85/263649949/ Saturday, April 6, 13

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HTTP://WWW.PBASE.COM/SIGMADSLR/IMAGE/34745521 Saturday, April 6, 13

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HTTP://WWW.PELAPAPAS.COM.MX/HTMLS/GENTE_ANIMALES.HTML Saturday, April 6, 13

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The secret to building large apps is never build large apps. Justin Meyer Saturday, April 6, 13

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The secret to building large apps is never build large apps. Break your applications into small pieces. Then, assemble those testable, bite- sized pieces into your big application Justin Meyer Saturday, April 6, 13

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But how? Saturday, April 6, 13

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github.com/shageman/the_next_big_thing Saturday, April 6, 13

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Saturday, April 6, 13

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5 looser coupling 3 gems 1 one app 4 engines 8 HTTP SOA 2 modules 7 eco-system 6 services Saturday, April 6, 13

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1 The one app Saturday, April 6, 13

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Remember! a gorgeous and infinite nothingness with all the bells and whistles of active* Saturday, April 6, 13

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HTTP://WWW.FLICKR.COM/PHOTOS/WIDNR/6589525327/ Saturday, April 6, 13

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ANNOYANCE ENTRY STRUCTURE Saturday, April 6, 13

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2 The modularized app Saturday, April 6, 13

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+ A higher level structure Saturday, April 6, 13

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HTTP://WWW.FLICKR.COM/PHOTOS/WIDNR/6589525327/ Saturday, April 6, 13

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HTTP://EECUE.COM/P/31426/METAL-RECYCLING-YARD.HTML Saturday, April 6, 13

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ANNOYANCE EMAIL SIGNUP STRUCTURE Saturday, April 6, 13

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3 The gem component app Saturday, April 6, 13

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+ Provably independent tests Saturday, April 6, 13

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Choose modules that tell the story of the system and contain a cohesive set of concepts Eric Evans Saturday, April 6, 13

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Saturday, April 6, 13

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HTTP://WWW.SMASHINGMAGAZINE.COM/INFORMATION-AND-INSTRUCTIONAL-SIGNS-PART-1/ Saturday, April 6, 13

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ANNOYANCE EMAIL SIGNUP STRUCTURE Saturday, April 6, 13

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4 The Rails component app Saturday, April 6, 13

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+ Provable structure for Rails Saturday, April 6, 13

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Rails Engines Saturday, April 6, 13

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Engines are not just for pagination, generic admin, and authentication Saturday, April 6, 13

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Engines are not just kaminari, generic admin, and authentication Saturday, April 6, 13

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Engines are not just kaminari, active admin, and authentication Saturday, April 6, 13

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Engines are not just kaminari, active admin, and devise Saturday, April 6, 13

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Rails::Engine allows you to wrap a specific Rails application or subset of functionality and share it with other applications or within a larger packaged application. http://edgeapi.rubyonrails.org/classes/ Rails/Engine.html Saturday, April 6, 13

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EMAIL SIGNUP TEASER STRUCTURE ANNOYANCE Saturday, April 6, 13

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What code smell did you see? Saturday, April 6, 13

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Single Responsibility Saturday, April 6, 13

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5 The loosely-coupled app Saturday, April 6, 13

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+ Clearer responsibilities Saturday, April 6, 13

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EMAIL SIGNUP TEASER STRUCTURE ANNOYANCE EVENT COUNTER Saturday, April 6, 13

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6 The service-oriented app Saturday, April 6, 13

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+ Reduced surface area Saturday, April 6, 13

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588 194 LOGGER::COUNT EVENTCOUNTER::*.METHODS.COUNT LOGGER 361 115 Saturday, April 6, 13

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588 194 LOGGER::COUNT EVENTCOUNTER::*.METHODS.COUNT LOGGER 361 115 - OBJECT.METHODS LOGGER::COUNT LOGGER 394 0 247 1 Saturday, April 6, 13

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EMAIL SIGNUP TEASER STRUCTURE ANNOYANCE EVENT COUNTER Saturday, April 6, 13

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7 The eco-system app Saturday, April 6, 13

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gem build event_counter.. Saturday, April 6, 13

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gem push event_counter.. Saturday, April 6, 13

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Saturday, April 6, 13

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EMAIL SIGNUP TEASER STRUCTURE ANNOYANCE EVENT COUNTER Saturday, April 6, 13

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8 The HTTP SOA app Saturday, April 6, 13

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Saturday, April 6, 13

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STRUCTURE EMAIL SIGNUP TEASER ANNOYANCE EVENT COUNTER Saturday, April 6, 13

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Saturday, April 6, 13

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5 looser coupling 3 gems 1 one app 4 engines 8 HTTP SOA 2 modules 7 eco-system 6 services Saturday, April 6, 13

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Saturday, April 6, 13

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Saturday, April 6, 13

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5 looser coupling 3 gems 1 one app 4 engines 8 HTTP SOA 2 modules 7 eco-system 6 services Saturday, April 6, 13

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Thanks! Stephan Hagemann @shageman stephan@pivotallabs.com Saturday, April 6, 13