From e194b1642a248de2a1ca4d89e1505c13e13db8d8 Mon Sep 17 00:00:00 2001
From: Jeremy Cook <jeremy.cook@cloudacademy.com>
Date: Fri, 22 Sep 2023 13:49:02 +1200
Subject: [PATCH] updated to use resolver - prevents nginx process being killed
 if unable to resolve downstream proxy host

---
 conf/conf.d/default.conf.template | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/conf/conf.d/default.conf.template b/conf/conf.d/default.conf.template
index c0c0746..f2e13d8 100644
--- a/conf/conf.d/default.conf.template
+++ b/conf/conf.d/default.conf.template
@@ -1,10 +1,7 @@
-upstream api-backend {
-    server ${NGINX_APP_APIHOSTPORT};
-    keepalive 20;
-}
-
 server {
   listen 8080;
+  set $target ${NGINX_APP_APIHOSTPORT};
+
   add_header Cache-Control no-cache;
 
   location / {
@@ -15,7 +12,10 @@ server {
   }
 
   location /api/stocks/csv {
-    proxy_pass http://api-backend;
+    resolver         ${NGINX_DNS_RESOLVER} valid=300s;
+    resolver_timeout 10s;
+
+    proxy_pass http://$target;
   }
 
   error_page   500 502 503 504  /50x.html;