From e91e202eb42cfc351be9c057ba6553a5a5bfe0df Mon Sep 17 00:00:00 2001
From: Jack Levy <YOUR_GITEA_NOREPLY_EMAIL_HERE>
Date: Sat, 28 Feb 2026 22:51:46 -0500
Subject: [PATCH] fix(nginx): add Docker DNS resolver to prevent stale upstream
 IPs

Without resolver 127.0.0.11, nginx caches upstream IPs at startup and
returns 502 after container restarts until manually reloaded.

Authored-By: Jack Levy
---
 nginx/nginx.conf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 386c3cf..0c2a79e 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -8,6 +8,9 @@ http {
     sendfile      on;
     keepalive_timeout 65;
 
+    # Use Docker's internal DNS so upstream IPs re-resolve after container restarts
+    resolver 127.0.0.11 valid=10s ipv6=off;
+
     upstream api {
         server api:8000;
     }