I recently installed a fresh copy of Visual Studio 2017 on a new computer. And I am migrating some code from .NET 4.6 to .NET Core. After some hair pulling over changes in the libraries, it now compiles and runs great.

But when I go to deploy to Azure Websites I get errors that look like this:

The command "bower install" exited with code 9009.

OR

The command "npm install" exited with code 9009.

So what is Bower, and Gulp and why are they interesting in a code migration?
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