Write S3 Event Message Into DynamoDB Using Lambda Function

Write S3 Event Message Into DynamoDB Using Lambda Function

Learn to write a lambda function to put S3 event message into DynamoDB table with S3 object creation as the trigger using SAM in Cloud9.

Objective

The objective of this article is to create a lambda function that will parse the event time and object key from an S3 event message when a new object is created/uploaded into the S3 bucket. The lambda function will also put these datas into the DynamoDB table.

Now, let’s discuss about the services and tools that we’ll use in this project.

AWS Lambda

AWS lambda lets the user to run code without provisioning or managing servers and the user needs to pay for how much they use. The user can also scale it up and down according to their needs.

AWS S3

Amazon S3 has a simple web services interface that you can use to store and retrieve any amount of data, at any time, from anywhere on the web.

amazon-dynamodb aws-s3 aws-lambda aws-sam aws-cloud9

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