You could try the other way without docker: Tor Project | Compile and run WebTunnel from the source
or see if these instructions also work on your Pi: PSA: WebTunnel bridge on Debian 12 the "easy" way
You could try the other way without docker: Tor Project | Compile and run WebTunnel from the source
or see if these instructions also work on your Pi: PSA: WebTunnel bridge on Debian 12 the "easy" way