Updating next package to 15.1.3 and added copyfiles in dev dependency

copy-files.ts

@@ -0,0 +1,16 @@
+const fs = require("fs/promises");
+
+async function copyFiles() {
+  try {
+    await fs.cp("public", ".next/standalone", { recursive: true });
+    await fs.cp(".next/static", ".next/standalone/.next/static", {
+      recursive: true,
+    });
+  } catch (err) {
+    console.error("Error copying files:", err);
+    return;
+  }
+  console.log("Files copied successfully.");
+}
+
+copyFiles();

middleware.ts

@@ -6,10 +6,9 @@ export const config = {
 
 export function middleware(request: NextRequest) {
   const headers = new Headers(request.headers);
-  const x = headers.get("X-Forwarded-For");
-
-  headers.set("X-Forwarded-For", x ? `${x}, ${request.ip}` : request.ip!);
+  const xForwardedFor = headers.get("X-Forwarded-For");
+  const clientIp = xForwardedFor ? xForwardedFor.split(",")[0] : "";
+  headers.set("X-Forwarded-For", ` ${clientIp}`);
   request.nextUrl.href = new URL("/api/event", process.env.PLAUSIBLE_HOST).href;
-
   return NextResponse.rewrite(request.nextUrl, { request: { headers } });
 }

next-env.d.ts

@@ -2,4 +2,4 @@
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/basic-features/typescript for more information.
+// see https://nextjs.org/docs/pages/api-reference/config/typescript for more information.

package.json

@@ -8,7 +8,7 @@
   "private": true,
   "scripts": {
     "dev": "next",
-    "build": "next build && cp -r public .next/standalone/ && cp -r .next/static .next/standalone/.next/static",
+    "build": "next build && node copy-files.ts",
     "start": "node .next/standalone/server.js",
     "lint": "eslint --ext ts,tsx .",
     "lint:fix": "eslint --ext ts,tsx --fix ."
@@ -23,7 +23,7 @@
     "classcat": "^5.0.5",
     "elkjs": "^0.9.3",
     "html-to-image": "^1.11.11",
-    "next": "^14.2.5",
+    "next": "^15.1.3",
     "rambda": "^9.2.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",