Single part at the root, COMPOSE_FILE in .env

template/{{ part_dir }}/src/app.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="ru">
+  <head>
+    <meta charset="utf-8">
+    <meta content="width=device-width, initial-scale=1" name="viewport">
+    <meta content="scale" name="text-scale">
+    <link href="%sveltekit.assets%/favicon.svg" rel="icon" type="image/svg+xml">
+    %sveltekit.head%
+  </head>
+  <body data-sveltekit-preload-data="hover">
+    <div style="display: contents">%sveltekit.body%</div>
+  </body>
+</html>