add_special_mount.sh

#!/bin/bash
#
#  Issue:
#   if you want to mount a directory in  docker-kitematic that is not inside the /Users dir
#   you need to add the share and mount it on the docker host OS

#  Avoide non AlphaNumeric characters here
MOUNT_NAME="testDir"
DIR=/test

SEC=30
#  By default this name will be "default" :)
DOCKER_VM_NAME=default

#  to get a list of docker hostname  "VBoxManage  list vms"

VM=$(VBoxManage list vms | grep ^\"${DOCKER_VM_NAME}\" | awk '{print $2}'  )

# Turn of VM to modify its config
VBoxManage controlvm $VM poweroff || echo $VM not running

#  Add the mount with automount
VBoxManage sharedfolder add "${DOCKER_VM_NAME}" --name "${MOUNT_NAME}"  -hostpath "$DIR"  --automount
#  if you want to remove it
# VBoxManage sharedfolder remove "${DOCKER_VM_NAME}" --name "${MOUNT_NAME}"

echo "Starting the docker VM this should take about $SEC seconds"
VBoxManage startvm --type headless $VM  

#  if you need to manually mount this dir 
# sudo  mount -t vboxsf -o rw,nodev,relatime  test /test/ 
sleep $SEC
docker-machine ssh default "sudo mkdir  -p $DIR  ; sudo  mount -t vboxsf -o  rw,nodev,relatime $MOUNT_NAME $DIR "

#  The ssh equivolant
# VM_IP=192.168.99.100	
#   ssh -i ~/.docker/machine/machines/default/id_rsa  docker@${VM_IP} "sudo mkdir  -p $DIR  ; sudo  mount -t vboxsf -o rw,uid=1000,gid=1000 $SHARE_NAME $DIR "

docker_kitematic_trix.sh

cat <<EOF >>  ~/.ssh/config 
Host docker
  Hostname 192.168.99.100
  User  docker
  IdentityFile ~/.docker/machine/machines/default/id_rsa
EOF

cat <<EOF >> ~/.bash_profile
eval "$(docker-machine env default)"
export DOCKER_IP=$(docker-machine ip default)
EOF