mounting "/" in volume

[BobCashStory]

Cannot create container for service caddy: invalid volume specification: '3b79df07a8aaa1224a623a3194d42f287f146803b4b8041a8355dd3172fa838b:/:rw': invalid mount config for type "volume": invalid specification: destination can't be '/'

ERROR: for caddy  Cannot create container for service caddy: invalid volume specification: '3b79df07a8aaa1224a623a3194d42f287f146803b4b8041a8355dd3172fa838b:/:rw': invalid mount config for type "volume": invalid specification: destination can't be '/'
ERROR: Encountered errors while bringing up the project.

it's seems with the last deployed machine i cannot run it because of the "/" volume in dockerfile