Update nginx.conf

nginx.conf

@@ -1,13 +1,19 @@
 server {
     listen 80;
+    
+    # Compressione Gzip per performance
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
 
     location / {
         root /usr/share/nginx/html;
         index index.html index.htm;
+        # Importante per React Router: se il file non esiste, serve index.html
         try_files $uri $uri/ /index.html;
     }
 
     location /api {
+        # 'backend' è il nome del servizio nel docker-compose
         proxy_pass http://backend:3000;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;