server {
    server_name example.com;
    listen 5000 ssl;
    listen [::]:5000 ssl;

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

    location / {
        proxy_pass http://[::1]:5001;
        proxy_set_header Host $host:$server_port;
        proxy_set_header X-Forwarded-For $remote_addr;
    }
}