This README would normally document whatever steps are necessary to get the application up and running.
Things you may want to cover:
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Ruby version
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System dependencies
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Configuration
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Database creation
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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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...
Make sure you have ruby version >=2.2.2 and rails version 5.
And depending on your Rails manager, run:
# when using rbenv
$ rbenv install 2.3.1
# set 2.3.1 as the global version
$ rbenv global 2.3.1
Or:
# when using rvm
$ rvm install 2.3.1
# set 2.3.1 as the global version
$ rvm use 2.3.1
Install the gems by running:
bundle install
Run the tests by the following command:
bundle exec rspec