If Docker is used regularly, the size of the Docker.raw (or Docker.qcow2) can keep growing, So the Docker.raw (or Docker.qcow2) contain image and container data, written by the LinuxĮxt4 and overlay filesystems. Hard-coded sector size of the virtual disk device. The data will be written to byte offset x * 512 in the file Docker.raw where 512 is the Which configures hyperkit to emulate an AHCI disk device such that when the VM writes to sector x on the device, Top of an ext4 filesystem on top of the partition /dev/sda1. If the path is none of the above, then the operation is performed by the overlay filesystem, on.docker run -v orĭocker run -mount) then the open/ read/ write/… calls are forwarded and the file is accessed
If the path is on a volume mapped from the host or from a remote server (via e.g.If the path is on a tmpfs filesystem, the file is created in memory.If a container creates or writes to a file then the effect depends on the path, for example: What’s in the Docker.raw (or Docker.qcow)? what’s in the Docker.raw (or Docker.qcow2).Over time this file can grow and become large. ~/Library/Containers//Data/64-linuxĭocker.qcow2 or Docker.raw, depending on the format. Single writable disk image stored on the Mac’s filesystem in the Linux container images run inside a VM using a custom hypervisor called Docker for Mac is a desktop app which allows building, testing and
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