proper src structure, dockerfile, entrypoint

src/routes/api/containers/sizes/+server.ts

@@ -0,0 +1,24 @@
+import { json } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { listContainersWithSize } from '$lib/server/docker';
+import { authorize } from '$lib/server/authorize';
+
+export const GET: RequestHandler = async ({ url, cookies }) => {
+	const auth = await authorize(cookies);
+
+	const envId = url.searchParams.get('env');
+	const envIdNum = envId ? parseInt(envId) : undefined;
+
+	// Permission check with environment context
+	if (auth.authEnabled && !await auth.can('containers', 'view', envIdNum)) {
+		return json({ error: 'Permission denied' }, { status: 403 });
+	}
+
+	try {
+		const sizes = await listContainersWithSize(true, envIdNum);
+		return json(sizes);
+	} catch (error) {
+		console.error('Failed to get container sizes:', error);
+		return json({}, { status: 500 });
+	}
+};