Working NGINX configuration for Ajenti reverse proxy

ajenti.conf

server {
    listen *:443 ssl;
    listen *:80;
    ssl_certificate /etc/self-signed-ssl/cert.crt;
    ssl_certificate_key /etc/self-signed-ssl/cert.key;
    server_name FQDN;

    access_log /var/log/nginx/ajenti-web-panel.access.log;
    error_log /var/log/nginx/ajenti-web-panel.error.log;

    root /srv/new-website;
    index index.html index.htm index.php;

    
    location ~ /ajenti.* {
        rewrite (/ajenti)$ / break;
        rewrite /ajenti/(.*) /$1 break;
        proxy_pass http://127.0.0.1:8000;
        proxy_redirect / /ajenti/;
        proxy_set_header Host $host;
        proxy_set_header Origin http://$host; 
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    
    
}