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Using with Rails

Add to Gemfile

Add govuk_template to your app's Gemfile:

gem 'govuk_template'

(In a production system you'll want to pin a more specific version for stability)

Use the layout

Add this line to the bottom of your application layout view (usually in app/views/layouts/application.html.erb):

<%= render file: 'layouts/govuk_template' %>

Customise the template

govuk_template provides blocks you can insert content into, to customise the basic layout.

For example, to set a <title> for your page you can set content for the :page_title block, and it will be inserted into the govuk_template layout.:

<% content_for :page_title, "My page title" %>

Or to add content to <head>, for stylesheets or similar:

<% content_for :head do %>
  <%= stylesheet_link_tag 'application', media: 'all' %>
  <%= csrf_meta_tags %>
<% end %>

Check out the full list of blocks you can use to customise the template.

SRI

govuk_template >= 20.0.0 can be used together with sprockets-rails >= 3.0.0 in order to make use of the SRI

You can read more about SRI here.

SRI will add an integrity attribute on your script tags:

<script src="https://example.com/example.css" integrity="sha384oqVuAfXRKap7fdgcCY5uykM6+R9GqQ8K/uxy9rx7HNQlGYl1kPzQho1wx4JwY8w" crossorigin="anonymous"></script>

The example above is generated automatically by sprockets-rails in your project if the integrity option is set to true:

<%= stylesheet_script_tag 'example', integrity: true %>