Learn AWS Serverless Computing

Fundamentals of a function

To set the scene for some more advanced details we'll find out about later on, we need to derive some understanding about the characteristics of an AWS Lambda function. For brevity, from here on, I'll refer to an AWS Lambda function as a function.

Simply put, a function is a piece of your own code that executes every time it is triggered by an event. A function can be written in many different programming languages, and you can also bundle any libraries or dependencies that the code needs. A function is executed within a runtime provided by AWS, on a platform provided by AWS, and hosted on an infrastructure provided by AWS.

You may include code in your function that performs any task you like, within the bounds ...