fix: update image fetching to use public IP for correct URL resolution

Author: Rayandri

app/route.ts

@@ -3,7 +3,8 @@ import { NextResponse } from 'next/server';
 export async function GET(request: Request) {
     const providerName = process.env.PROVIDER_NAME || 'gpt-4o-mini model';
     const picturePath = process.env.PICTURE_PATH || '/images/logo.png';
-    const imageResponse = await fetch(new URL(picturePath, request.url));
+    const publicIp = process.env.PUBLIC_IP || 'http://46.17.103.110:3001/';
+    const imageResponse = await fetch(new URL(picturePath, `http://${publicIp}`));
     const imageBuffer = await imageResponse.arrayBuffer();
     const base64Image = `data:${imageResponse.headers.get('content-type')};base64,${Buffer.from(imageBuffer).toString('base64')}`;
     const providerDescription = process.env.PROVIDER_DESCRIPTION || 'Default provider with gpt-4o-mini model';