How to use --volume option with Docker Toolbox on Windows?

Question

How can I share a folder between my Windows files and a docker container, by mounting a volume with simple --volume command using Docker Toolbox on?

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Answer 1

For those using Virtual Box who prefer command-line approach

1) Make sure the docker-machine is not running

Docker Quickstart Terminal:

docker-machine stop

2) Create the sharing Windows <-> docker-machine

Windows command prompt:
(Modify following to fit your scenario. I feed my Apache httpd container from directory synced via Dropbox.)

set VBOX=D:\Program Files\Oracle\VirtualBox\VBoxManage.exe
set VM_NAME=default
set NAME=c/htdocs
set HOSTPATH=%DROPBOX%\htdocs
"%VBOX%" sharedfolder add "%VM_NAME%" --name "%NAME%" --hostpath "%HOSTPATH%" --automount

3) Start the docker-machine and mount the volume in a new container

Docker Quickstart Terminal:
(Again, I am starting an Apache httpd container, hence that port exposing.)

docker-machine start
docker run -d --name my-apache-container-0 -p 80:80 -v /c/htdocs:/usr/local/apache2/htdocs my-apache-image:1.0