Add enable-docker-unsecure to open port 2375

scripts/enable-docker-unsecure.ps1

+Write-Host "WARNING: DO NOT USE DOCKER IN PRODUCTION WITHOUT TLS"
+Write-Host "Enabling Docker unsecure port 2375"
+
+if (!(Get-NetFirewallRule | where {$_.Name -eq "DockerUnsecure2375"})) {
+    New-NetFirewallRule -Name "DockerUnsecure2375" -DisplayName "Docker unsecure on TCP/2375" -Protocol tcp -LocalPort 2375 -Action Allow -Enabled True
+}
+
+Write-Host "Enabling Docker to listen on unsecure port 2375"
+cp C:\programdata\docker\runDockerDaemon.cmd C:\programdata\docker\runDockerDaemon.cmd.bak
+cat C:\programdata\docker\runDockerDaemon.cmd.bak | %{$_ -replace '^docker daemon -D -b "Virtual Switch"$','docker daemon -D -b "Virtual Switch" -H 0.0.0.0:2375'} | Set-Content C:\programdata\docker\runDockerDaemon.cmd
+
+Write-Host "Restarting Docker"
+Stop-Service docker
+Start-Service docker

windows_2016.json

@@ -98,7 +98,8 @@
     {
       "type": "powershell",
       "scripts": [
-        "./scripts/install-docker.ps1"
+        "./scripts/install-docker.ps1",
+        "./scripts/enable-docker-unsecure.ps1"
       ]
     }
   ],