add v3 basePath

next.config.mjs

@@ -1,11 +1,6 @@
-const isProd = process.env.NODE_ENV === 'production'
-
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-    assetPrefix: isProd ? '/v3' : undefined,
-    images: {
-        path: isProd ? '/v3/_next/image' : undefined,
-    }
+    basePath: '/v3',
 };
 
 export default nextConfig;