3 Ways Of Recycling Third-party Code for AWS Lambda

3 Ways Of Recycling Third-party Code for AWS Lambda

3 Ways Of Recycling Third-party Code for AWS Lambda. In this article, we're discussing AWS Lambda Layers, Lambda Extensions, and Docker image for Lambda. How and when to use which?

In this article, I’m trying to shine some light on the AWS Lambda Layers, Lambda Extensions, and Docker image for Lambda, in order to add third-party code to Lambda. I'll also go over when and how to use which method, and when to mix and match.

Due to the circumstances in 2020, many software releases were postponed, and so the industry slowed its development speed quite a bit.

But at least at AWS, some teams got updates out of the door at the end of the year. AWS Lambda got two significant improvements. AWS Lambda Extensions and the support of Docker images for your Lambda functions. Thanks to these two new features and Lambda Layers, we now have three ways to add code to Lambda that isn’t directly part of our Lambda function.

The question now is: When should we use what?

First things first. All these Lambda features can be used together. So if you’re thinking about where to put your code, at least your decisions aren’t mutually exclusive. You can upload a Docker image and attach a regular Lambda Layer and a Lambda Extension. The same is possible if your Lambda function is based on a ZIP archive.

Lambda Functions with Docker

Lambda Layers

Lambda Extensions

Operating for a resilient and cost-efficient Lambda

Summary

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