Netflow to external server (HTTPS/TLS)

Is there any guide/manual/info that anyone can point me on how to implement Netflow to an external service, with proper traffic encryption?

Thanks,
anthonws.

Edit: Maybe the best option would be a site-to-site VPN (IPsec)…

Of course documentation
https://wiki.mikrotik.com/wiki/Manual:IP/Traffic_Flow
MikroTik YouTube channel with this topic.

P.S. Good avatar