something-erlang/lib/something_erlang_web/templates/page/index.html.heex

<%= form_for @conn,
  Routes.page_path(@conn, :to_forum_path), [as: :to], fn f -> %>
  Something Awful URL: <%= url_input f, :forum_path %>
  <%= submit "Redirect", class: "btn btn-sm" %>
<% end %>