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'''[[wikipedia:AWS Lambda]]''' ([[AWS timeline|Nov 2014]]) <ref>https://aws.amazon.com/about-aws/whats-new/2014/11/13/introducing-aws-lambda/</ref> is an [[event-driven]], [[serverless computing]] platform. It is a computing service that runs code in response to [[Events]] and automatically manages the computing resources required by that code. It was introduced in November [[2014]].<ref>https://en.wikiversity.org/wiki/Cloud_computing/Amazon_Web_Services/AWS_Lambda</ref>
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'''AWS Lambda''' is an event-driven, serverless computing platform. It is a computing service that runs code in response to [[Event (computing)|events]] and automatically manages the computing resources required by that code. It was introduced in November 2014.<ref>{{Cite web|url=http://sdtimes.com/amazon-introduces-lambda-containers/|title=Amazon introduces Lambda, Containers at AWS re:Invent - SD Times|date=2014-11-14|website=SD Times|language=en-US|access-date=2016-06-09}}</ref><ref>https://en.wikiversity.org/wiki/Cloud_computing/Amazon_Web_Services/AWS_Lambda</ref>
 
Other similar solutions in the market are [[Google Cloud functions]], [[Oracle Cloud Fn]] and [[Azure Functions]].
 
Other similar solutions in the market are [[Google Cloud functions]], [[Oracle Cloud Fn]] and [[Azure Functions]].
  
VPC configuration for [[AWS Lambda]] function is optional unless your user permissions require you to configure a [[VPC]].
 
  
== [[Free tier]] ==
 
The AWS Lambda free usage tier includes 1M free requests per month and 400,000 GB-seconds (1GB-111 hours) of compute time per month.
 
 
== Examples ==
 
<pre>
 
exports.handler = async (event) => {
 
    const response = {
 
        statusCode: 200,
 
        body: JSON.stringify('Hello from Lambda!'),
 
    };
 
    return response;
 
};
 
</pre>
 
 
== Python Example ==
 
 
[[import json]]
 
 
def [[lambda_handler]](event, context):
 
    # TODO implement
 
    return {
 
        'statusCode': 200,
 
        'body': json.dumps('Hello from Lambda!')
 
    }
 
 
== Related terms ==
 
* [[AWS API Gateway]]
 
* [[Amazon CloudWatch Lambda Insights]]
 
* Functions and applications
 
* [[Cloudformation]]: [[AWS::Lambda]]
 
* <code>[[aws elbv2 create-target-group]] --target-type [ [[instance]] | [[ip]] | [[lambda]] ] </code>
 
* Timeout
 
* [[Terraform resource: aws lambda event source mapping]]
 
* [[AWS Step Functions]]
 
* [[DigitalOcean Functions]]
 
* [[Cloudflare Workers]] (Sep 2017)
 
  
 
== See also ==
 
== See also ==
* {{aws lambda}}
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* [[wikipedia:AWS Lambda]]
* {{AWS Lambda}}
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* {{AWS}}
* [[AWS Chalice]] microframework for writing serverless apps in [[python]]
 
* {{serverless}}
 
* {{Cloud}}
 
 
 
  
 
[[Category:Computing]]
 
[[Category:Computing]]
 
[[Category:Internet]]
 
[[Category:Internet]]
 
[[Category:AWS]]
 
[[Category:AWS]]
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AWS Lambda

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