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First Steps to Serverless on AWS: A How-To Guide

A step-by-step tutorial on how to build and deploy a simple serverless web application on AWS

In a previous article, we talked about what serverless applications are and how they work. In this article, we will build and deploy a simple serverless web application on AWS (AWS is the cloud computing platform created by Amazon). For this application, I will assume that you have an AWS account already set up (if not, start here). While AWS has an enormous number of tools available for developers, we will focus on two: Lambda and API Gateway. Lambda is the general serverless function-invocation system on AWS. Essentially, everything that happens in AWS, whether it is a file upload, a video transcoding job, or an HTTP request, can be enabled to trigger a function defined in Lambda for further processing. Lambda functions…