fix: Remove URI path from proxy_pass inside Nginx named location @backend_static

frontend/nginx.conf

@@ -56,7 +56,7 @@ server {
     }
 
     location @backend_static {
-        proxy_pass http://backend:8000/static/;
+        proxy_pass http://backend:8000;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;