server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    # Asset con hash nel nome: cache lunga
    location ~* "\.[0-9a-f]{8,}\.(js|css|svg|png|jpg|jpeg|gif|webp|woff2?)$" {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Fallback per il routing lato client di Angular
    location / {
        try_files $uri $uri/ /index.html;
    }
}