Update Nginx configuration to replace $http_host with $host$is_request_port$request_port for better compatibility

Signed-off-by: GitHub <noreply@github.com>

root/defaults/nginx/authelia-server.conf.sample

@@ -1,4 +1,4 @@
-## Version 2025/03/25 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authelia-server.conf.sample
+## Version 2026/10/20 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authelia-server.conf.sample
 # Make sure that your authelia container is in the same user defined bridge network and is named authelia
 # Rename /config/nginx/proxy-confs/authelia.subdomain.conf.sample to /config/nginx/proxy-confs/authelia.subdomain.conf
 
@@ -28,7 +28,7 @@ location @authelia_proxy_signin {
     add_header Set-Cookie $set_cookie;
 
     ## Set the $target_url variable based on the original request
-    set_escape_uri $target_url $scheme://$http_host$request_uri;
+    set_escape_uri $target_url $scheme://$host$is_request_port$request_port$request_uri;
 
     ## Translate the Location response header from the auth subrequest into a variable
     auth_request_set $signin_url $upstream_http_location;

root/defaults/nginx/authentik-server.conf.sample

@@ -1,4 +1,4 @@
-## Version 2025/03/25 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authentik-server.conf.sample
+## Version 2026/10/20 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authentik-server.conf.sample
 # Make sure that your authentik container is in the same user defined bridge network and is named authentik-server
 # Rename /config/nginx/proxy-confs/authentik.subdomain.conf.sample to /config/nginx/proxy-confs/authentik.subdomain.conf
 
@@ -38,10 +38,10 @@ location @goauthentik_proxy_signin {
     add_header Set-Cookie $set_cookie;
 
     ## Set the $target_url variable based on the original request
-    set_escape_uri $target_url $scheme://$http_host$request_uri;
+    set_escape_uri $target_url $scheme://$host$is_request_port$request_port$request_uri;
 
     ## Set the $signin_url variable
-    set $signin_url https://$http_host/outpost.goauthentik.io/start?rd=$target_url;
+    set $signin_url https://$host$is_request_port$request_port/outpost.goauthentik.io/start?rd=$target_url;
 
     ## Redirect to login
     return 302 $signin_url;

root/defaults/nginx/proxy.conf.sample

@@ -1,4 +1,4 @@
-## Version 2023/02/09 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/proxy.conf.sample
+## Version 2026/10/20 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/proxy.conf.sample
 
 # Timeout if the real server is dead
 proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
@@ -33,5 +33,5 @@ proxy_set_header X-Forwarded-Server $host;
 proxy_set_header X-Forwarded-Ssl on;
 proxy_set_header X-Forwarded-Uri $request_uri;
 proxy_set_header X-Original-Method $request_method;
-proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+proxy_set_header X-Original-URL $scheme://$host$is_request_port$request_port$request_uri;
 proxy_set_header X-Real-IP $remote_addr;

root/defaults/nginx/tinyauth-server.conf.sample

@@ -1,4 +1,4 @@
-## Version 2026/09/08 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/tinyauth-server.conf.sample
+## Version 2026/10/20 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/tinyauth-server.conf.sample
 # Make sure that your tinyauth container is in the same user defined bridge network and is named tinyauth
 # Rename /config/nginx/proxy-confs/tinyauth.subdomain.conf.sample to /config/nginx/proxy-confs/tinyauth.subdomain.conf
 
@@ -15,7 +15,7 @@ location /tinyauth {
     proxy_set_header Content-Length "";
 
     # Headers needed for authentication
-    proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+    proxy_set_header X-Original-URL $scheme://$host$is_request_port$request_port$request_uri;
     proxy_set_header X-Original-Method $request_method;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Real-IP $remote_addr;