From ac1495164bbcfd26e6500ccbb92ea491ceee4047 Mon Sep 17 00:00:00 2001
From: Ravi Prasad <nprasad2077@gmail.com>
Date: Wed, 9 Sep 2026 15:19:53 -0500
Subject: [PATCH] fix(backend,nginx): listen on dual-stack [::]:5000 and
 optimize proxy_next_upstream

---
 main.go          | 6 +++---
 nginx/nginx.conf | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/main.go b/main.go
index 3b5d341..58ab44c 100644
--- a/main.go
+++ b/main.go
@@ -130,9 +130,9 @@ func main() {
 
 	/* ---------- START & SHUTDOWN ---------- */
 	go func() {
-		slog.Info("🚀 Starting NBA_Go Fiber API Server on :5000")
-		if err := app.Listen(":5000"); err != nil && !errors.Is(err, http.ErrServerClosed) {
-			slog.Error("Failed to listen on :5000", "error", err)
+		slog.Info("🚀 Starting NBA_Go Fiber API Server on [::]:5000 (Dual-Stack)")
+		if err := app.Listen("[::]:5000"); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			slog.Error("Failed to listen on [::]:5000", "error", err)
 			os.Exit(1)
 		}
 	}()
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 8af6597..7dda610 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -36,6 +36,7 @@ http {
             proxy_cache_key "$request_uri";
             proxy_cache_use_stale error timeout updating;
             add_header X-Cache-Status $upstream_cache_status;
+            proxy_next_upstream error timeout http_502 http_503 http_504;
 
             proxy_pass http://go_backend;
             proxy_http_version 1.1;