Redirect non www to www via routes.rb in rails

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In routes.rb:

if Rails.env.production?
    def query_params_to_query(request)
      query_params = request.params.except(:path, :format, :subdomain)
      query_params.any? ? "?#{query_params.to_query}" : ""
    end

      constraints(:subdomain => '') do
      redirect_action = ->(params, _request) do
        "https://www.example.com/#{params[:path]}#{query_params_to_query(_request)}"
      end
      root to: redirect(redirect_action)
      get '/*path', to: redirect(redirect_action)
    end
  end
Experienced Ruby on Rails and Web Developer having 11+ years experience in Ruby & Ruby on Rails framework, TTD, Rspec. Expert on Git, SVN , Git Hook, Bitbucket. I use MySQL, MongoDB , PostgreSQL & Sqlite for Database Management. In front-end development I use HTML5 / HAML, CSS3 / SCSS, javascript / coffeescript. I also know about the deploy the applications on VPS Server i.e AWS EC2, Heroku, Ditital Ocean, Hostgator, Site5, BlueHost, AWS Load Balancing, Elastic Beanstalk, AWS S3 e.t.c ☆ Frameworks ☆ Ruby on Rails, Sinatra ☆ Database ☆ - PostgreSQL, MySQL, SQLite, - MongoDB, Amazon DynamoDB,AWS RDS. ☆ Front end Techniques ☆ - ReactJS, Angular js, Node js, Javascript, JQuery, HTML, CSS - Twitter Bootstrap, Coffeescript. Why hire me? * Master degree in Computer Science * 6 years professional experiences and 10+ projects completed * Available all day long, 7 days/24 hours * Good communication skills with fluent English * Self-motivated, fast-learner and "I can do" mind * Quality insurance and fast delivery

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