nginx.conf

events {
    worker_connections 1024;
}

http {
    server {
        listen 80;
        location / {
            proxy_pass https://xn--api-248mu45ca3z.site;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }
    }

    server {
        listen 443 ssl;
        server_name xn--api-248mu45ca3z.site;
    
        ssl_certificate /etc/letsencrypt/live/xn--api-248mu45ca3z.site/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/xn--api-248mu45ca3z.site/privkey.pem;
    
        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    
        location / {
            proxy_pass https://xn--api-248mu45ca3z.site;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }
    }
}