backup_docker_volumes.ps1

$envFilePath = ".env"
Get-Content $envFilePath | ForEach-Object {
    $vol = $_
    Set-Variable -Name vol -Value $_ -Scope Global
    docker run --rm --quiet --volume ${vol}:/backupdata --volume .\exported:/to_export busybox tar czf /to_export/${vol}.tar.gz /backupdata
    if ($?) {
        Write-Host "Backup of $vol completed successfully."
    }
}
$del = Read-Host "Delete volume created during export? (y/n)"
if ($del -eq "y") {
    docker volume rm exported
    Write-Host "Volume 'exported' has been deleted."
}
else {
    Write-Host "Volume 'exported' has not been deleted."
}