refactor: change next config file to mjs

next.config.mjs

@@ -0,0 +1,20 @@
+import withBundleAnalyzer from "@next/bundle-analyzer"
+import withPlugins from "next-compose-plugins"
+
+/**
+ * @type {import('next').NextConfig}
+ */
+const config = withPlugins([[withBundleAnalyzer({ enabled: process.env.ANALYZE === "true" })]], {
+  reactStrictMode: true,
+  experimental: { instrumentationHook: true },
+  rewrites() {
+    return [
+      { source: "/healthz", destination: "/api/health" },
+      { source: "/api/healthz", destination: "/api/health" },
+      { source: "/health", destination: "/api/health" },
+      { source: "/ping", destination: "/api/health" },
+    ]
+  },
+})
+
+export default config