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Existing project

If you already have an existing Rails project, just add gem "spina" to your Gemfile and run bundle install. (Make sure you're using PostgreSQL as your database)

Run the installer to get started.

rails g spina:install

The installer will help you setup your first user. Restart your server and access Spina at /admin.

If you're already using /admin for something else, you can change that in config/initializers/spina.rb.