Add rails_12factor
Make bundle install
Add ruby version
Add unicorn
Add unicorn
Add circle.yml
Edit branch for production
Add command for migrations
Fix git push
Fix git push
Fix git push
Edit circle.yml
Edit circle.yml
add .editorconfig and .ruby-version
Update gems
Setup RSpec 3
Binstub rspec for spring
Use listen strategy for spring

See more on https://github.com/rails/spring#watching-files-and-directories
Setup spring only for development
Add User model