kubectl apply -f contrib/language/cpp/demo.yaml
> squashctl
# choose gdb
# choose namespace
# choose pod
# confirm
# (wait)
gdb debug port available on local port 54891.
Now open gdb
and tell it to debug the specified port
gdb
# tell it connect to the desired port
target remote localhost:54891
# create a breakpoint
b main # confirm
# continue execution
c
# stop execution with control-c