🔼 added $resolved_proto map

to ensure that the X-Forwarded-Proto and X-Forwarded-Scheme headers reflect the most accurate protocol. The resolved_proto variable prioritizes the X-Forwarded-Proto header (set by sources like Cloudflare or AWS) and falls back to $scheme when unavailable, then this value is used to set Scheme and Proto instead of $scheme

backend/templates/proxy_host.conf

@@ -4,6 +4,8 @@
 
 {% include "_hsts_map.conf" %}
 
+{% include "_resolved_proto_map.conf" %}
+
 server {
   set $forward_scheme {{ forward_scheme }};
   set $server         "{{ forward_host }}";