This README would normally document whatever steps are necessary to get the application up and running.
Things you may want to cover: ‘rails’ -> ‘5.0.1’
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Ruby version
ruby -v “2.3.3”
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Configuration
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Database creation
heroku rails db:migration
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Database initialization
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How to run the test suite
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Services (job queues, cache servers, search engines, etc.)
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Deployment instructions
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…
Please feel free to use a different markup language if you do not plan to run rake doc:app.