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nested_layouts_partials

🧩 Compose Layouts with Nested Partials​

Break your layout into partials like _header.html.erb and _footer.html.erb. This makes maintenance easier and promotes reuse across different layouts.

<!-- app/views/layouts/application.html.erb -->
<html>
  <head>
    <%= render 'layouts/header' %>
  </head>
  <body>
    <%= yield %>
    <%= render 'layouts/footer' %>
  </body>
</html>
<!-- app/views/layouts/_header.html.erb -->
<header>
  <h1>MyApp</h1>
</header>