Update Dockerfile

server/Dockerfile

@@ -1 +1,39 @@
-<13><><EFBFBD>^
+
+worker_processes 1;
+
+events { worker_connections 1024; }
+
+http {
+    include       mime.types;
+    default_type  application/octet-stream;
+    sendfile        on;
+    keepalive_timeout  65;
+    
+    # Limite upload per allegati (es. foto/video ticket)
+    client_max_body_size 50M;
+
+    server {
+        listen 80;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # Compressione Gzip
+        gzip on;
+        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+
+        # Gestione SPA (React Router)
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # Proxy API verso il backend
+        location /api/ {
+            proxy_pass http://backend:3001;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_cache_bypass $http_upgrade;
+        }
+    }
+}