Get-DockerInfo.ps1

function Get-DockerInfo {
    $rtnObj = New-Object PSCustomObject
    if (Get-Command "docker" -ErrorAction SilentlyContinue) {
        $dockerArr = (docker version 2>0) -split '\n' | Select-Object -First 2 | ForEach-Object {($_ -replace "^.*:").trim()}
        foreach ($dockerProp in $dockerArr) {
            switch -regex ($dockerProp) {
                "^Docker.*" {
                    $rtnObj | Add-Member -MemberType NoteProperty -Name "DockerName" -Value $dockerProp
                }
                "^\d{2}\.\d{2}\.\d{2}" {
                    $rtnObj | Add-Member -MemberType NoteProperty -Name "DockerVersion" -Value $dockerProp
                }
            }
        }
    }
    else {
        return $null
    }
    return $rtnObj 
}