docker example error

[gleke]

go-callvis -format=png -file=docker -limit github.com/docker/docker -ignore github.com/docker/docker/vendor github.com/docker/docker/cmd/docker | dot -Tpng -o docker.png

/moby$ go-callvis -format=png -file=docker -limit github.com/docker/docker -ignore github.com/docker/docker/vendor github.com/docker/docker/cmd/docker | dot -Tpng -o docker.png
-: no required module provides package github.com/docker/docker/cmd/docker: go.mod file not found in current directory or any parent directory; see 'go help modules'
2022/10/03 21:56:29 packages contain errors