runosaari.net/lib/runosaari_web/templates/index/edit.html.eex

<h1>Muokkaa kappaletta</h1>

<%= render "form.html", Map.put(assigns, :action, Routes.admin_index_path(@conn, :update, @index)) %>

<span><%= link "Takaisin", to: Routes.index_path(@conn, :index) %></span>