SharePoint site collection provisioning in powershell
SharePoint PowerShell - How to create and configure a site collection in a PowerShell script? Ready step by step instruction.
SharePoint Provisioning, Powershell Online or SharePoint PnP
Provisioning SharePoint Online using PowerShell. Which of the available PowerShell modules should you choose for SharePoint provisioning? In fact, you can use two sets of commands. SharePoint Online Management Shell and SharePoint PnP.