Learn ruby on rails 4.2


question is
"In the routes file, add a new route that maps requests to /tags to the Tags controller's index action."

so i tried get '/tags' => 'tags#index' and rake db:migrate
but it does not run...... so i tried again
tag controller
end" code insert, and view file index.html.erb file create.....
but it does not run!!!!!!!!!!
what's wrong??



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