How to actually bind mount a file in Docker for Windows
NickName:swasheck Ask DateTime:2018-01-09T07:19:28

How to actually bind mount a file in Docker for Windows

I'm attempting to update the sebp/elk Logstash configuration following the documentation here. I'm running into a situation in which the host file that I am attempting to mount is being mounted as a directory in the container.

I found this related question How to mount a single file in a volume but the notion of running with PWD didn't work for me on Windows as I got the following error: C:\Program Files\Docker\Docker\Resources\bin\docker.exe: invalid reference format

I'm running Docker on Windows 10 (Build 16299.192)

λ docker version
Client:
 Version:      17.09.1-ce
 API version:  1.32
 Go version:   go1.8.3
 Git commit:   19e2cf6
 Built:        Thu Dec  7 22:22:26 2017
 OS/Arch:      windows/amd64

Server:
 Version:      17.09.1-ce
 API version:  1.32 (minimum version 1.12)
 Go version:   go1.8.3
 Git commit:   19e2cf6
 Built:        Thu Dec  7 22:28:28 2017
 OS/Arch:      linux/amd64
 Experimental: true

My Docker run command is:

docker run -p 5601:5601 -p 9200:9200 -p 5044:5044 -it -v d:/docker/elk/logstash-snmp.conf:/etc/logstash/conf.d/logstash-snmp.conf --rm --name elk sebp/elk

I've been able to run other containers with persistent storage out of this disk (SQL Server, Redis, Exist-DB), but I'm not sure if I'm missing something on this. How can I tell Docker to actually mount this as a file and not as a directory.

Copyright Notice：Content Author:「swasheck」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/48159422/how-to-actually-bind-mount-a-file-in-docker-for-windows

Answers
Bryan Jyh Herng Chong 2018-04-28T13:33:22

This works for me:\n\nNote: This approach addresses W10 Home Edition with Docker Toolbox and VirtualBox.\n\nOverview: Create a folder in local-machine, mount this as a shared folder in Docker VM, use this shared folder as a bindmount to Docker container. \n\n\nStop docker VM using docker-machine stop default\nOpen VirtualBox, find default go to Settings > Shared Folder\nYou will see c/Users is binded to your c:\\Users\nAdd a new shared folder, note the name it is assigned. Let's name this as [local-shared]\nExit Settings\ndocker-machine start default\nOnce started, docker-machine ssh default\nsudo vi /mnt/sda1/var/lib/boot2docker/profile\nAppend the following:\n\n # create a directory in VM\n mkdir /home/docker/[foldername]\n # mount/map shared folder on localmachine to directory\n sudo moun -t vboxsf -o uid=1000,gid=50 [local-shared] /home/docker/[foldername] \n\nSave and exit ssh.\ndocker-machine stop default\ndocker-machine start default (or perhaps docker-machine restart default)\nnow docker container run -d -p 1234:6789 -v /[local-shared]/sub-dir:/[container-dir] dockerImage2Run\n\n\nAnd it should work.\n\nRef: http://support.divio.com/local-development/docker/how-to-use-a-directory-outside-cusers-with-docker-toolbox-on-windowsdocker-for-windows",

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