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Overview:

In this system, when a user uploads a file to an S3 bucket, an email notification is automatically sent using AWS Lambda and Amazon SES (Simple Email Service). This setup is completely serverless, meaning there’s no need to manage any infrastructure.

Key Features:

1. Automatic Trigger on File Upload:
   • Every time a file is uploaded to an S3 bucket, it triggers an event that invokes an AWS Lambda function.
2. Scalability and Serverless Architecture:
   • The entire solution is built using AWS Lambda, Amazon S3, and SES, meaning no need to provision or maintain servers. It scales automatically with no manual intervention.
3. Email Delivery:
   • AWS SES is used to send transactional emails with both plain text and HTML content.

Tech Stack:

1. Boto3:
   • AWS SDK for Python, used within the Lambda function to interact with Amazon SES and send email notifications.
2. Amazon S3:
   • Used for storing the uploaded files.
3. AWS Lambda:
   • A serverless compute service that runs code in response to events. It handles the logic of extracting file details and sends the email notification.
4. Amazon SES (Simple Email Service):
   • A cloud-based service to send emails in a scalable and cost-effective way. This is used for sending transactional emails based on the file upload events.
5. AWS IAM:
   • Used to configure permissions for Lambda and SES, ensuring secure access to resources.

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