fix: Nginx Fix

nginx.conf

@@ -1,37 +1,20 @@
-# Standard Nginx top-level config
-user  nginx;
-worker_processes  auto;
-error_log  /var/log/nginx/error.log notice;
-pid        /var/run/nginx.pid;
-
-events {
-    worker_connections  1024;
-}
-
-http {
-    include       /etc/nginx/mime.types;
-    default_type  application/octet-stream;
-
-    # --- THE FIX STARTS HERE ---
-    # These MUST be in the http block to handle the IAP header early
-    client_header_buffer_size 64k;
-    large_client_header_buffers 4 64k;
-    # --- THE FIX ENDS HERE ---
-
-    sendfile        on;
-    keepalive_timeout  65;
-
 server {
     listen 80;
     server_name _;
 
+    # These settings are allowed inside a 'server' block
+    # and will handle the large IAP JWT headers.
+    client_header_buffer_size 64k;
+    large_client_header_buffers 4 64k;
+
     root /usr/share/nginx/html;
     index index.html;
 
     location / {
         try_files $uri $uri/ /index.html;
-            # Ensure headers are passed correctly
-            proxy_set_header Host $host;
-        }
     }
+
+    # This helps us see errors in Cloud Run logs if it still fails
+    error_log /dev/stdout info;
+    access_log /dev/stdout;
 }