In Rails, how to get current url (but no paths)

request.host should do the trick, or:

request.port.blank? ? request.host : "#{request.host}: #{request.port}"

if you need to include the port too.

You can use this

<%= request.protocol + request.host_with_port %>
#=> https://domain.example:3000
<%= request.protocol + request.host %>
#=> https://domain.example

Starting from Rails 3.2 you can also use

<%= request.base_url %>
#=> https://domain.example:3000

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