docker-machine/docs/reference/config.md

config

Usage: docker-machine config [OPTIONS] [arg...]

Print the connection config for machine

Description:
   Argument is a machine name.

Options:

   --swarm      Display the Swarm config instead of the Docker daemon

For example:

$ docker-machine config dev
--tlsverify
--tlscacert="/Users/ehazlett/.docker/machines/dev/ca.pem"
--tlscert="/Users/ehazlett/.docker/machines/dev/cert.pem"
--tlskey="/Users/ehazlett/.docker/machines/dev/key.pem"
-H tcp://192.168.99.103:2376