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Amazon Web Services Solutions Library

Lambda@Edge Collection

View deployment guide

What does this Amazon Web Services Solution do?

Lambda@Edge is a feature of Amazon CloudFront that lets you run code closer to users of your application, which improves performance and reduces latency. With Lambda@Edge, you don't have to provision or manage infrastructure in multiple locations around the world. You pay only for the compute time you consume - there is no charge when your code is not running.

This solution offers a collection of Lambda@Edge applications, covering most common Lambda@Edge user scenarios. All the Lambda@Edge applications in this solution can be directly deployed into Amazon Web Services console.

The Lambda@Edge collection is part of "CloudFront-Extentions" GitHub project. Anyone in the open source community is welcomed to contribute to the project.

Amazon Web Services Solution Overview

In the collection, you can find the lambda@Edge for the following scenarios:

Authentication, e.g. authenticate with Amazon Cognito, add security headers into request headers.
Validation, e.g. perform MD5 checksum and determine when return to the origin.URL Rewrite, e.g. rewrite URL according to the cookie information.
URL Redirect, e.g. return related content according to the device type.
Override Request, e.g. modify the response status code.
Override Response, e.g. standardize the query.
Origin Selection, e.g. forward request to the nearest CDN PoP according to the current geolocation.
Personalize Content, e.g. resize images.
Security, e.g. hotlinking protection.

Please find more details in the roadmap of this solution in Github.

Architecture of Serverless Image Handler

Solution Architecture and Description

All the Lambda@Edge applications in this solution are published publicly on Amazon Web Services Serverless Application Repository (SAR).

SAR is a managed repository for serverless applications. In the repository, you can find and deploy the pre-built Lambda@Edge applications released through this solution.

To find the Lambda@Edge applications, it takes two steps: 1. Check box "Show apps that create custom IAM roles or resource policies". 2. Search keywords the "aws-cloudfront-extensions".

In the application detail page, you can "1-click" deploy your desired Lambda@Edge application into your Amazon Web Services account. After the deployment, you just need to complete a simple setup, for example, setting CloudFront Trigger, to use the Lambda@Edge function. Please see the deployment guide for more details.

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Lambda@Edge Collection

Version 1.0.0
Last updated: 03/2021
Author: Amazon Web Services

Source code

View deployment guide

Search in Serverless Application Repository (SAR)

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Features

One-stop Lambda@Edge best practices

You can find the code implementation of most common Lambda@Edge use cases. The Lambda@Edge collection is vetted by Amazon Web Services.

Easy one-click deployment

You can easily deploy Lambda@Edge applications into your Amazon Web Services console with just "1-click" from Serverless Application Repository. To use it with your CloudFront, you only need to complete a few simple steps such as setting CloudFront triggers. Please refer to the deployment guide for more details.

Open Source and Customization

It is an open-source project. You can use the Lambda@Edge applications for free. In the case you have different use cases, you can take the source code as reference to implement your own Lambda@Edge functions.