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I am running Windows Subsystem Linux (WSL) with Ubuntu as client OS under Windows 10. Now I installed Docker Desktop on the Windows host and enabled the WSL integration in the Docker settings. That works fine so far, I can access the Docker daemon running on the Windows host from my WSL Ubuntu client.
Now I am wondering where all the Docker volumes and other data is stored in this setup. Usually these are under /var/lib/docker, but it seems when using WSL this is not the case. When running df -h I can see the following Docker-related lines:
/dev/sdd 251G 3.1G 236G 2% /mnt/wsl/docker-desktop-data/isocache /dev/sdc 251G 120M 239G 1% /mnt/wsl/docker-desktop/shared-sockets /dev/loop0 244M 244M 0 100% /mnt/wsl/docker-desktop/cli-tools So they are somewhere on the Windows host it seems.
... but where?
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The files could be found on Windows in \\wsl$\docker-desktop-data\version-pack-data\community\docker\containers .
Volumes are stored in a part of the host filesystem which is managed by Docker ( /var/lib/docker/volumes/ on Linux). Non-Docker processes should not modify this part of the filesystem. Volumes are the best way to persist data in Docker. Bind mounts may be stored anywhere on the host system.
The configuration file can be found at 'C:\ProgramData\Docker\config\daemon.
When I create a volume named shared_data in docker, I can find it under
\\wsl$\docker-desktop-data\version-pack-data\community\docker\volumes\shared_data\_data
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