PowerShell script demonstrating how you can bootstrap a VM to install IIS, ASP.Net, Web Deploy and a custom ASP.Net solution using PowerShell DSC.

DeployVMSnapDsc.ps1

Configuration Main
 {
   Node ('localhost')
   {
     WindowsFeature WebServerRole
     {
       Name = "Web-Server"
       Ensure = "Present"
     }

     WindowsFeature WebAspNet45
     {
       Name = "Web-Asp-Net45"
       Ensure = "Present"
       Source = $Source
       DependsOn = "[WindowsFeature]WebServerRole"
     }

     #script block to download WebPI MSI from the Azure storage blob
     Script DownloadWebPIImage
     {
       GetScript = {
         @{
           Result = "WebPIInstall"
         }
       }

       TestScript = {
         Test-Path "C:\temp\wpilauncher.exe"
       }

       SetScript ={
         $source = "http://go.microsoft.com/fwlink/?LinkId=255386"
         $destination = "C:\temp\wpilauncher.exe"
         Invoke-WebRequest $source -OutFile $destination
       }
     }

     Package WebPi_Installation
         {
       Ensure = "Present"
             Name = "Microsoft Web Platform Installer 5.0"
             Path = "C:\temp\wpilauncher.exe"
             ProductId = '4D84C195-86F0-4B34-8FDE-4A17EB41306A'
             Arguments = ''
       DependsOn = @("[Script]DownloadWebPIImage")
         }

     Package WebDeploy_Installation
         {
             Ensure = "Present"
             Name = "Microsoft Web Deploy 3.5"
             Path = "$env:ProgramFiles\Microsoft\Web Platform Installer\WebPiCmd-x64.exe"
             ProductId = ''
       Arguments = "/install /products:ASPNET45,ASPNET_REGIIS_NET4,WDeploy  /AcceptEula"
       DependsOn = @("[Package]WebPi_Installation")
         }

     Script DeployWebPackage
     {
       DependsOn = @("[Package]WebDeploy_Installation")
       GetScript = {
         @{
           Result = ""
         }
       }

       TestScript = {
         $false
       }

       SetScript = {
         $MSDeployPath = (Get-ChildItem "HKLM:\SOFTWARE\Microsoft\IIS Extensions\MSDeploy" | Select -Last 1).GetValue("InstallPath") + "msdeploy.exe"
                 cmd.exe /C $("`"{0}`" -verb:sync -source:package={1} -dest:auto,ComputerName=localhost -setParam:name='IIS Web Application Name',value='Default Web Site' -setParamFile:C:\temp\MyWebsite.API.SetParameters.xml 2> C:\temp\err.log" -f $MSDeployPath, "C:\temp\MyWebsite.API.zip")
       }
     }
   }
 }

 Main