Update to Rails 5, Ruby 2.3.3, remove therubyracer #718
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Describe the proposed changes
I updated the Ruby version and Rails version to reflect the latest and recommended versions to stay up to date with the framework. I also removed the use of the
therubyracer
gem because the nodejs package is installed, but included a general motivation for needing to rundocker-compose build
.Update packages to latest versions. The actual nodejs is installed on line 18. Changed to a general comment regarding the need to rebuild images when adding gems.