Administrate IIS via Powershell

Configure-Site.ps1

# source: https://adamtheautomator.com/powershell-iis/
New-Item -ItemType Directory -Name 'MyWebsite' -Path 'C:\inetpub\wwwroot';
New-IISSite `
    -Name 'MyWebsite' `
    -PhysicalPath 'C:\inetpub\wwwroot\MyWebsite';

New-IISSiteBinding `
    -Name 'MyWebsite' `
    -BindingInformation "*:443:" `
    -CertificateThumbPrint "D043B153FCEFD5011B9C28E186A60B9F13103363" `
    -CertStoreLocation "cert:\LocalMachine\Webhosting" ` # private key must be located here
    -Protocol https;

Install-Provider.ps1

# source: https://adamtheautomator.com/powershell-iis/

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;
Install-PackageProvider -Name NuGet -Force
Install-Module -Name 'WebAdministration' -Scope AllUsers; # manage app pools
Install-Module -Name 'IISAdministration' -Scope AllUsers; # manage sites and binding

Manage-IIS.ps1

# source: https://adamtheautomator.com/powershell-iis-2/

# virtual folder to manage IIS
Set-Location IIS:\

# create app pool
New-Item -Path IIS:\AppPools\MyAppPool

Set-ItemProperty -Path IIS:\AppPools\MyAppPool -Name managedRuntimeVersion -Value '';

New-WebAppPool.ps1

$newAppPool = New-WebAppPool -Name 'MyAppPool';
$newAppPool.AutoStart = "true";
# ...
$newAppPool | Set-Item