method

host

rails latest stable - Class: ActionDispatch::Http::URL

host()

public

Returns the host for this request, such as “example.com”.

req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
req.host # => "example.com"

# File actionpack/lib/action_dispatch/http/url.rb, line 226
      def host
        raw_host_with_port.sub(/:\d+$/, "")
      end