server {
    listen 80;
    server_name abdallabala.com www.abdallabala.com;

    location / {
        proxy_pass http://127.0.0.1:5000;
        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 Authorization $http_authorization;
    }

    error_page 404 /404.html;
    location = /404.html {
        root /home/username/abdallabala.com/public_html;
        internal;
    }
}