Cloudflare tunnel on pfsense router

Is it possible to set up a cloudflare tunnel on the pfsense router like a negate 2100, 4100, 6100? I guess I’m asking if it is possible to run docker on a pfsense appliance? If so what appliance would you recommend that would have enough power to do this.

PFSense if just a firewall, you can not run any docker application on it

You need an internal device to install Cloudflare

Look at Tailscale that does run on PFSense -

What are you trying to achieve exactly? I can’t think of a use case myself where using a Cloudflare tunnel with a firewall would make much sense.