server {
    listen 80;
    server_name _;

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

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Gzip-Komprimierung
    gzip on;
    gzip_vary on;
    gzip_min_length 1000;
    gzip_proxied any;
    gzip_types
        text/plain
        text/css
        text/javascript
        application/javascript
        application/json
        application/xml
        image/svg+xml;

    location / {
        try_files $uri $uri/ =404;
    }

    # Statische Assets cachen
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 7d;
        add_header Cache-Control "public";
    }

    # Zugriff auf versteckte Dateien blockieren
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}