dclaude

0.2.0

Private/Test-DockerAvailable.ps1

                                function Test-DockerAvailable {

    [CmdletBinding()]

    param()

    # Check that docker command exists

    if (-not (Get-Command 'docker' -ErrorAction SilentlyContinue)) {

        throw 'Docker is not installed. Install Docker Desktop from https://docs.docker.com/desktop/setup/install/windows-install/'

    }

    # Check that Docker daemon is running

    $dockerInfo = docker info 2>&1

    if ($LASTEXITCODE -ne 0) {

        throw 'Docker is not running. Start Docker Desktop and try again.'

    }

    # Check that Docker is in Windows container mode

    $osTypeMatch = $dockerInfo | Select-String -Pattern '^\s*OSType:\s*(.+)$'

    if (-not $osTypeMatch) {

        throw "Unable to determine Docker OS type from 'docker info' output. Ensure Docker is running correctly."

    }

    $osType = $osTypeMatch.Matches | ForEach-Object { $_.Groups[1].Value.Trim() }

    if ($osType -ne 'windows') {

        throw "Docker is in Linux container mode. Switch to Windows containers: right-click Docker Desktop tray icon > 'Switch to Windows containers...'"

    }

}