The Jamstack is more of an architecture or methodology for building web applications than a prescriptive stack of technologies. Jamstack was formed in response to dynamic web page development that many felt had become cumbersome, slow and insecure. The Jamstack architecture offers a number of benefits including page speed, security and cost.
From Code like a Pro in C# by Jort Rodenburg
This article gives an overview of exactly how C# code is compiled.