Version 1 of the Advanced Site Provider for Sitecore is now released on Github. It enables the usage of separate sites, initially limited to sub-domains, with no configuration nor any special content items!
DevOps is not a product you can pick up from the store. It is the culmination of a process, tooling and corporate culture. No matter your background, there is no way you haven’t heard of DevOps. Most visibly would be Microsoft’s recent renaming of "Visual Studio Team Services", formerly "Visual Studio Online", to "Azure DevOps".