Оптимальный конфиг Nginx для OpenCart 3 и 4 на PHP 8.2/8.3 с SEO URL и защитой админки

# /etc/nginx/sites-available/oc2.example.com.conf

    listen 80;
    server_name oc2.example.com www.oc2.example.com;
    return 301 https://oc2.example.com$request_uri;
}

server {
    listen 443 ssl http2;
    server_name oc2.example.com;

    root /var/www/oc2.example.com/public_html;

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;

    index index.php index.html;

    ssl_certificate /etc/letsencrypt/live/oc2.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/oc2.example.com/privkey.pem;

    client_max_body_size 64M;

    # Защита системных папок и vqmod
    location ~* /(system|vqmod|config\\.php|admin/config\\.php)/? {
        deny all;
        return 403;
    }

    location / {
        try_files $uri @opencart;
    }

    location @opencart {
        rewrite ^/(.+)$ /index.php?_route_=$1 last;
    }

    location ~* /image/cache/ {
        expires 365d;
        add_header Cache-Control "public";
        try_files $uri @opencart;
    }

    location ~* \\.(jpg|jpeg|gif|png|webp|css|js|ico|woff|woff2)$ {
        expires 365d;
        add_header Cache-Control "public, max-age=31536000";
        access_log off;
    }

    location ~ \\.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/run/php/php7.4-fpm.sock;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_buffer_size 128k;
        fastcgi_buffers 128 16k;
        fastcgi_read_timeout 180s;
    }
}