Create src/app/api/proxy/[...path]/route.ts

src/app/api/proxy/[...path]/route.ts

@@ -0,0 +1,44 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+const BACKEND = 'http://localhost:8000';
+
+async function handler(req: NextRequest, { params }: { params: Promise<{ path: string[] }> }) {
+  const { path } = await params;
+  const backendPath = path.join('/');
+  const search = req.nextUrl.search || '';
+  const url = `${BACKEND}/${backendPath}${search}`;
+
+  const headers = new Headers();
+  req.headers.forEach((value, key) => {
+    if (!['host', 'connection'].includes(key.toLowerCase())) {
+      headers.set(key, value);
+    }
+  });
+
+  try {
+    const body = req.method !== 'GET' && req.method !== 'HEAD' ? await req.arrayBuffer() : undefined;
+    const res = await fetch(url, {
+      method: req.method,
+      headers,
+      body: body ? Buffer.from(body) : undefined,
+    });
+
+    const responseHeaders = new Headers();
+    res.headers.forEach((value, key) => {
+      responseHeaders.set(key, value);
+    });
+
+    return new NextResponse(res.body, {
+      status: res.status,
+      headers: responseHeaders,
+    });
+  } catch {
+    return NextResponse.json({ error: 'Backend unavailable' }, { status: 503 });
+  }
+}
+
+export const GET = handler;
+export const POST = handler;
+export const PUT = handler;
+export const DELETE = handler;
+export const PATCH = handler;