Nginx refused to boot when a hostname was invalid (#102)

Altinn · May 22, 2024 · afdf641 · afdf641
1 parent 5576ea5
commit afdf641
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/loadbalancer/templates/nginx.conf.conf b/loadbalancer/templates/nginx.conf.conf
@@ -74,10 +74,6 @@ http {
         server ${INTERNAL_DOMAIN}:5117;
     }
 
-    upstream grafana {
-        server monitoring_grafana:3000;
-    }
-
     server {
         listen 80 default_server;
         server_name ${TEST_DOMAIN};
@@ -154,15 +150,21 @@ http {
         }
 
         location /grafana/ {
-            proxy_pass http://grafana;
+            resolver 127.0.0.11; # Docker DNS resolver
+            # We use a variable here to avoid Nginx crashing for when the container isn't running
+            set $upstream http://monitoring_grafana:3000;
+            proxy_pass $upstream;
         }
 
         # Proxy Grafana Live WebSocket connections.
         location /grafana/api/live/ {
+            resolver 127.0.0.11; # Docker DNS resolver
+            # We use a variable here to avoid Nginx crashing for when the container isn't running
+            set $upstream http://monitoring_grafana:3000;
             proxy_http_version 1.1;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection $connection_upgrade;
-            proxy_pass http://grafana;
+            proxy_pass $upstream;
         }
     }
 }