Use adapter-static

svelte.config.js

@@ -1,17 +1,13 @@
-import adapter from "@sveltejs/adapter-auto"
+import adapter from "@sveltejs/adapter-static"
 import {vitePreprocess} from "@sveltejs/vite-plugin-svelte"
 
 /** @type {import('@sveltejs/kit').Config} */
-const config = {
-  // Consult https://kit.svelte.dev/docs/integrations#preprocessors
-  // for more information about preprocessors
+export default {
   preprocess: vitePreprocess(),
-
   kit: {
-    // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
-    // If your environment is not supported, or you settled on a specific environment, switch out the adapter.
-    // See https://kit.svelte.dev/docs/adapters for more information about adapters.
-    adapter: adapter(),
+    adapter: adapter({
+      fallback: 'index.html',
+    }),
     alias: {
       "@src": "src",
       "@app": "src/app",
@@ -20,5 +16,3 @@ const config = {
     },
   },
 }
-
-export default config