Where does Docker store the content of running containers?

Is there a way to browse the files that were created within a running container?

Say I’m starting a container using

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  • sudo docker run --name myContainer -d ubuntu
    

    Which has the ID eefea5f7df52e8c1aad24b4068564237021dc7b953026f0adb696878a3d25f72

    I thought there is a folder created (with the name of the container-ID) somewhere in /var/lib/docker/ containing the files that where created,…

    I found a couple of folders in /var/lib/docker/aufs/diff (so of them are also deleted when removing containers), but I have no idea how to map them the container IDs.

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  • One Solution collect form web for “Where does Docker store the content of running containers?”

    I’m not sure why you’d want to know this, but it is possible.

    Using docker inspect, you can find out more about the internals of a container. Try issuing docker inspect eefea5f7df52e8c1aad24b4068564237021dc7b953026f0adb696878a3d25f72 to see a full tree of information about a container.

    I believe docker inspect --format='{{.GraphDriver.Data.LowerDir}}' eefea5f7df52e8c1aad24b4068564237021dc7b953026f0adb696878a3d25f72 gives you the path to where your container data is stored. You’ll need root access to open that folder though, with good reason as it is not a good idea to try and alter data there!

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.