S3 bucket with a Lambda function as a listener and append to a DynamoDB table With Terraform

This is a simple example of how to use a Lambda function as a listener for an S3 bucket and append the data to a DynamoDB table.

Prerequisites

• Terraform 1.4.x
• AWS CLI
• AWS account with permissions to create the resources
• AWS credentials configured

Usage

1. Clone this repository
2. go to locals.tf in the root directory and change the account_id to your own account id
3. need to make sure the javascript file inside module/lambda/files/lambda_function.zip is wil the right region and table name
4. Run terraform init
5. Run terraform apply

Example playlod file *.json

{
  "id": "00a6fa25-df29-4701-9077-557932591766",
  "timestamp": 23764783264,
  "data": "CONTENT OF THE FILE"
}

Test

1. Upload a file to the S3 bucket
2. Check the DynamoDB table for the new item
3. check the CloudWatch logs for the Lambda function