Docker for Windows watchdog PowerShell script (NOT working)

docker-watchdog.ps1

#Requires -RunAsAdministrator

$containerHost = "localhost"
$containerPort = 480
$dockerVMHost = "10.0.75.2"

$restartCount = 0
while($true)
{
	if (!(test-netconnection $containerHost -Port $containerPort).TcpTestSucceeded) 
	{
		echo "Container connection lost."
		docker-compose down
		$processes = Get-Process "*docker for windows*"
		if ($processes.Count -gt 0)
		{
			echo "Killing docker"
		    $processes[0].Kill()
		    $processes[0].WaitForExit()			
		}
		
		echo "Stopping docker VM"
		Stop-VM -Name MobyLinuxVM
		
		echo "Starting docker VM"
		Start-VM -Name MobyLinuxVM
		
		echo "Starting Docker as $dockerUser"
		runas /trustlevel:0x20000 "C:\Program Files\Docker\Docker\Docker for Windows.exe"
		
		echo "Testing connection to docker VM"
		while(!(test-netconnection $dockerVMHost).PingSucceeded)
		{				
			Start-Sleep -Seconds 5
			echo "Still waiting for docker VM to come up"
		}		
		
		while(!(docker ps))
		{
			echo "Waiting for docker to respond"
			Start-Sleep -Seconds  5
		}
		
		echo "Starting containers"
		runas /trustlevel:0x20000 "docker-compose up -d"
		echo "Testing container connection"
		while(!(test-netconnection $containerHost -Port $containerPort).TcpTestSucceeded)
		{				
			Start-Sleep -Seconds 5
			echo "Still waiting for docker container to come up"
		}
    
    # TODO wait for docker to respond (probably using docker run)
    
		$restartCount++
	}
	else
	{
		echo "Container $containerHost still running. $restartCount restarts"
	}
	
    Start-Sleep -Seconds 10
}