Lambda AWS Lambda is a serverless computing platform that allows users to create functions and run your code without provisioning or managing servers. It executes your code only when needed and scales automatically and we need to pay only for the compute time consumed. For more details : https://docs.aws.amazon.com/lambda/latest/dg/welcome.html Languages supported Java Nodejs Python Ruby Go Dotnet https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html Use Case Today we are going to write a simple lambda function in nodejs which takes 2 strings as input and check if the first string is a substring of the second string. { "first' : "serverless", "second" : "The art of serverless" } We will be receiving below response. { "substring" : true } Steps a) Login to AWS management console b Search for the service 'Lambda' c) From the Lambda consol...