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Mastering AWS Lambda

You're reading from   Mastering AWS Lambda Learn how to build and deploy serverless applications

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Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781786467690
Length 300 pages
Edition 1st Edition
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Authors (2):
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Udita Gupta Udita Gupta
Author Profile Icon Udita Gupta
Udita Gupta
Yohan Wadia Yohan Wadia
Author Profile Icon Yohan Wadia
Yohan Wadia
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Table of Contents (11) Chapters Close

Preface 1. Introducing AWS Lambda 2. Writing Lambda Functions FREE CHAPTER 3. Testing Lambda Functions 4. Event-Driven Model 5. Extending AWS Lambda with External Services 6. Build and Deploy Serverless Applications with AWS Lambda 7. Monitoring and Troubleshooting AWS Lambda 8. Introducing the Serverless Application Framework 9. AWS Lambda - Use Cases 10. Next Steps with AWS Lambda

Processing content at the edge with Lambda@Edge

Lambda@Edge was launched by AWS during the 2016 AWS re:Invent summit; however, it had been in the preview mode until right now. The service basically allows you to execute Lambda functions in edge locations in response to CloudFront events. With this service, you now don't need to install, configure, or scale servers globally in order to customize your content. With Lambda@Edge, all this work is handled by the Lambda service itself. All you need to do is write the function and deploy it, and that's it!

At the time of writing, Lambda@Edge supports writing functions for the following CloudFront events:

  • Viewer request: When CloudFront receives a request from a viewer
  • Viewer response: Before CloudFront returns the response to the viewer
  • Origin request: Before CloudFront forwards a request to the origin
  • Origin response: When...
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