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A crash course on Serverless with Node.js is a guide to how to write Serverless applications. We'll go through the awesomeness and pain points of using the technology. The goal is to completely abstract away servers from the developer and only bill based on the amount of times the functions have been invoked. We’ll go ahead and jump right into some code and write our own Serverless functions, emulate the environment locally and monitor performance. You will need an AWS account to follow along with the code examples.