What are azure functions core tools?
The Azure Functions Core Tools are command line utilities that enable you to develop and run functions locally, and then publish them to Azure.
What is the primary purpose of Azure Core Tools? (3)
Can you combine functions from multiple projects when using Core tools?
No. When you publish, any functions already present in the target app are stopped and deleted before the contents of your project are deployed.
How to publish a function created with Core tools (locally) to azure?
You need to have a functionapp in place. After the function is created with Core tools, run the command func azure functionapp publish "$FUNCTIONAPP" in the directory of the function.