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The AWS Greengrass Core SDK for JavaScript allows developers to write JavaScript Lambda functions that will run within Greengrass. This document provides instructions for preparing your Greengrass Core environment to run Lambda functions written in JavaScript. It also includes examples on how to develop a Lambda function in JavaScript as well as packaging and running an example Hello World file in JavaScript for your Greengrass core. The environment where Greengrass is running on needs to be...

...You'll learn how to host static web resources with Amazon S3, how to use Amazon Cognito to manage users and authentication, and how to build a RESTful API for backend processing using Amazon API Gateway, AWS Lambda and Amazon DynamoDB. Shows you how to build in security at multiple layers of your application, starting with sign-up and sign-in functionality for your application, how to secure serverless microservices, and how to leverage AWS's identity and access management (IAM) to provide fine-grained access control to your application's users. You'll learn how AWS Amplify integrates with Amazon Cognito, Amazon API Gateway, AWS Lambda, and IAM.