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17 lines
1.1 KiB
Markdown
17 lines
1.1 KiB
Markdown
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title_tag: What is AWS Lambda?
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title: AWS Lambda
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meta_desc: AWS Lambda is a serverless platform that allows for the execution of code or containers without the need to provision infrastructure yourself.
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layout: glossary/single
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---
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## Description
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[AWS Lambda](https://aws.amazon.com/lambda/) is a serverless platform, allowing you to execute code without the need to provision the infrastructure yourself. Code is only running when a suitable trigger is invoked, such as a hit to an API gateway, an update in DyanmoDB, or a change in an IOT device's sensors. The code to be run is uploaded as either a .ZIP file or a container image. A variety of runtimes are available for popular languages.
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Since Lambda resources are billed only when code is actively running, it can be extremely cost-effective, if a little difficult to predict.
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### Use Cases
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The speed and event-driven nature of AWS Lambda makes it a great tool for building highly interactive applications. It can also be used to automate some common tasks, such as pre-prossesing data for machine learning purposes, automated backups, or coordination between other external services.
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