powershell version of docker_run.sh for pi-hole

docker_run.ps1

# powershell version of: 
# https://github.com/pi-hole/docker-pi-hole/blob/master/docker_run.sh
$ServerIP = (Get-NetIPConfiguration | Where-Object { $_.IPv4DefaultGateway -ne $null -and $_.NetAdapter.Status -ne "Disconnected" -and $_.InterfaceDescription -NotLike "*virtual*" } | Sort-Object InterfaceAlias | Select-Object -First 1).IPv4Address.IpAddress
docker run -d `
  --name pihole `
  -p 53:53/tcp -p 53:53/udp `
  -p 80:80 `
  -p 443:443 `
  -e TZ="America/New York" `
  -e WEBPASSWORD="password" `
  -e DNS1="1.1.1.1" `
  -e DNS2="1.0.0.1" `
  -e ServerIP="$ServerIP" `
  -v "./etc-pihole/:/etc/pihole/" `
  -v "./etc-dnsmasq.d/:/etc/dnsmasq.d/" `
  --dns=127.0.0.1 `
  --dns=1.1.1.1 `
  --restart=unless-stopped `
  pihole/pihole:latest

Write-Host 'Starting up pihole container ' -NoNewline
for ($i=0; $i -le 20; $i++) {
  $health = docker inspect -f "{{.State.Health.Status}}" pihole
  if ($health -eq "healthy") {
    Write-Host ' OK' -NoNewline
    Write-Output "`n$(docker logs pihole 2> .\devnull.log | grep 'password:') for your pi-hole: https://$ServerIP/admin/"
    exit 0
  } else {
    Start-Sleep 3
    Write-Host '.' -NoNewline
  }

  if ( $i -eq 20 ) {
    Write-Output "`nTimed out waiting for Pi-hole start, consult check your container logs for more info (``docker logs pihole``)"
    exit 1
  }
}