From 248ad9eb966fcb6b46d2fa92de02e72398d901a0 Mon Sep 17 00:00:00 2001
From: Kaloyan Danchev <kaloyandanchev@Kaloyans-MacBook-Air.local>
Date: Thu, 19 Mar 2026 08:13:25 +0200
Subject: [PATCH] Fix DNS resolution for upstream API proxy

Node's built-in DNS resolver (c-ares) can fail to resolve hostnames
that the system resolver handles fine. Set dns.setDefaultResultOrder
to use the system resolver order.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 backend/src/index.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/backend/src/index.ts b/backend/src/index.ts
index 73fc1de..47fba60 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -1,4 +1,7 @@
 import 'dotenv/config';
+import dns from 'node:dns';
+// Use system DNS resolver instead of Node's built-in c-ares resolver
+dns.setDefaultResultOrder('verbatim');
 import express from 'express';
 import cors from 'cors';
 import { verifyJwt } from './jwt.js';