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Building Web apps for HEROKU

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Goals • High Uptime • Move fast & break things (but fix them too) • Hassle free

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Twelve Factor APP PROCESSES DEPENDENCIES DEV/PROD PARITY ONE OFF PROCESSES ONE-CLICK DEPLOYS

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Sinatra app Create a Hello world app

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Sinatra app Gemfile

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Sinatra app Procfile

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Sinatra app Foreman

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Deploy to Heroku heroku create

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Deploy to Heroku git push heroku master

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Deploy to Heroku And we are done!!!

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Rails app an existing todo app

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Commands heroku ps

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Commands heroku logs

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Commands heroku run

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Commands heroku config

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Commands heroku scale

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Addons Databases, caches, stores etc etc

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Collaborate [demo]

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Fin.