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Docker Machine environments

Each Docker Machine will have its own set of environment variables. These can be access using the following command

docker-machine env <name>

Where <name> is the name of the selected Machine. The output would be similar to the following

 export DOCKER_TLS_VERIFY="1"
 export DOCKER_HOST="tcp://172.16.62.130:2376"
 export DOCKER_CERT_PATH="/Users/<yourusername>/.docker/machine/machines/default"
 export DOCKER_MACHINE_NAME="default"

Connect to a Docker Machine

To switch to a Docker Machine the environment variables must be exported to your shell. This is done like so

eval "$(docker-machine env default)"

Once the Docker Machine environment variables have been evaluated to the current shell the containers within that machine will be accessible by your local Docker commands.