diff --git a/.changeset/lucky-shoes-mate.md b/.changeset/lucky-shoes-mate.md
new file mode 100644
index 000000000..32ddde78d
--- /dev/null
+++ b/.changeset/lucky-shoes-mate.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Remove use of createRequire breaking non-Node hosts.
diff --git a/packages/astro/src/assets/utils/metadata.ts b/packages/astro/src/assets/utils/metadata.ts
index d1bc37bad..1e96cbe97 100644
--- a/packages/astro/src/assets/utils/metadata.ts
+++ b/packages/astro/src/assets/utils/metadata.ts
@@ -1,9 +1,7 @@
-import { createRequire } from 'module';
 import fs from 'node:fs/promises';
 import { fileURLToPath } from 'node:url';
 import { ImageMetadata, InputFormat } from '../types.js';
-const require = createRequire(import.meta.url);
-const sizeOf = require('image-size');
+import sizeOf from 'image-size';
 
 export interface Metadata extends ImageMetadata {
 	orientation?: number;
diff --git a/packages/astro/src/core/sync/index.ts b/packages/astro/src/core/sync/index.ts
index 914783331..82575f083 100644
--- a/packages/astro/src/core/sync/index.ts
+++ b/packages/astro/src/core/sync/index.ts
@@ -67,6 +67,7 @@ export async function sync(
 			{
 				server: { middlewareMode: true, hmr: false },
 				optimizeDeps: { entries: [] },
+				ssr: { external: ['image-size'] },
 				logLevel: 'silent',
 			},
 			{ settings, logging, mode: 'build', command: 'build', fs }