Generators, Wizards and Scrolls

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GENERATORS WIZARDS & SCROLLS @drnic @ RubyIreland 2012-4-17 ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS

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YOUR COMPANY NAME | LONG AND INTERESTING PRESENTATION TITLE | VERSION NO. XX | 06 /02/2012 “wearing my twitter shirt” at RailsUnderground, London

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YOUR COMPANY NAME | LONG AND INTERESTING PRESENTATION TITLE | VERSION NO. XX | 06 /02/2012 Tony Stark at NordicRuby, Gothenburg “wearing my twitter shirt” at RailsUnderground, London

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YOUR COMPANY NAME | LONG AND INTERESTING PRESENTATION TITLE | VERSION NO. XX | 06 /02/2012 Tony Stark at NordicRuby, Gothenburg Tinker Bell at CodeConf, San Francisco “wearing my twitter shirt” at RailsUnderground, London

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS WHAT You know a generator when you see it

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS APPLICATION GENERATORS Let’s make a new app

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS xCode

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS visual studio

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS rails

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS app generators • All this code is needed but… • “Just start editing here” • Prepopulated defaults

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS COMPONENT GENERATORS Add something to an app

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS rails

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS plugins

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS component generators • Encourage best practise • “This ‘test’ folder must be important”

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS BUT WHY? Why do we use them? Why should you write them?

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS buy once read never

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS learn in 10 mins or less

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS development and production different

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS old path to adoption • Microsoft releases something • Microsoft Press sells a book • Read the book • Buy the Microsoft thing • Use the Microsoft thing

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS because i say so

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS 1000s of options

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS how to choose?

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS try them all?!

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS because i say so

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS because of tweets

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS new path to adoption • Heard about something • Try it - generators/scrolls • Advocate it - “this is great” • Learn about it

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS alternate new path to adoption • Heard about something • Advocate it “this looks great" • Try it • Learn about it

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS TRY IT How fast can you be successful?

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS succeed fast

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS also great

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS try this. ha! oh no!

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS Much better!

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS barriers to adoption • “How do I try it?” • “How do I add it to my app?” • “How do I know if I’m doing it right?”

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS WIZARDS Help me. For the love of God.

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS wizards 1. Question about something 2.Choose some option 3. Confirm something 4. Done

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS without a wizard resource_pools: - name: common network: default size: 3 stemcell: name: bosh-stemcell version: 0.5.1 cloud_properties: instance_type: m1.small availability_zone: key_name: jobs: - name: nginx template: nginx instances: 1 resource_pool: common networks: - name: default default: [dns, gateway] - name: nginx static_ips: - 23.23.247.237

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS so far... • I can’t love it until I can try it • Generators are good • Wizards are good

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS SCROLLS Magically transform applications

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS the problem existing App new App Add new thing super App

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS the goal existing App new App apply scroll super App

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS install it store it deploy it new APp

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS install it existing APp proposal

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS scroll gem 'sidekiq' __END__ name: Sidekiq description: Background work author: drnic website:

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS scroll gem 'sidekiq' __END__ name: Sidekiq description: Background work author: drnic website: script metadata

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS exclusive: worker category: worker requires: [redis] run_after: [redis, engineyard_recipes_on_deploy] run_before: [] extra metadata

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YOUR COMPANY NAME | LONG AND INTERESTING PRESENTATION TITLE | VERSION NO. XX | 06 /02/2012 dependencies scrolls new myapp -s resque engineyard => redis, resque, git, github, engineyard_recipes_on_deploy, engineyard

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS gem 'cucumber-rails' after_bundler do generate 'cucumber:install' end after_everything do end three stages

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS three stages 1. Add gems 2.After bundler, run generators 3. After everything, deploy!

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS SCROLLS USE GENERATORS

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS easy peasy

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS powered by thor

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS Deploying

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YOUR COMPANY NAME | LONG AND INTERESTING PRESENTATION TITLE | VERSION NO. XX | 06 /02/2012 deploying scrolls new myapp -s engineyard scrolls new myapp -s heroku scrolls new myapp -s cloudfoundry

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS how to make this work?! chef: install & run buildpacks: install procfile: run ??

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS engineyard

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS engineyard chef in rubygems

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ENGINE YARD | @DRNIC | GENERATORS, WIZARDS AND SCROLLS SCROLLS Magically transform applications