server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    index index.html;

    # Gzip Compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied any;
    gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml image/svg+xml;

    # Security Headers
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Clean URL Routing
    location / {
        try_files $uri $uri/ $uri.html =404;
    }

    # Static Assets Caching
    location /assets/ {
        expires 30d;
        add_header Cache-Control "public, max-age=2592000, immutable";
    }
}