fix: keep nginx redirects relative behind TLS proxy

Author: rezk2ll

nginx.conf

@@ -6,6 +6,12 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # TLS is terminated by an upstream proxy; this server only sees plain HTTP on
+    # 8080. Keep redirects relative so the browser resolves them against the
+    # original request origin (https://host) instead of nginx emitting an
+    # absolute Location with the internal scheme and port (http://host:8080).
+    absolute_redirect off;
+
     # Compression
     gzip on;
     gzip_vary on;