Project Name - Brief Description

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The Problem

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Lorem ipsum dolor sit amet:

• Consectetur adipiscing elit
• Sed do eiusmod tempor incididunt
• Ut labore et dolore magna aliqua

Solution Overview

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Tech Stack

• AWS Lambda - Serverless compute
• DynamoDB - NoSQL database
• API Gateway - REST API management
• Terraform - Infrastructure as Code
• Python 3.11 - Application logic

Implementation

Step 1: Project Setup

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mkdir my-project && cd my-project
python -m venv venv
source venv/bin/activate
pip install boto3 requests

Step 2: Core Logic

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import boto3
import json

dynamodb = boto3.resource('dynamodb')
table = dynamodb.Table('my-table')

def handler(event, context):
    """
    Lambda handler - processes incoming requests.
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    """
    body = json.loads(event.get('body', '{}'))

    # Store in DynamoDB
    response = table.put_item(
        Item={
            'id': body.get('id'),
            'data': body.get('data'),
            'timestamp': context.aws_request_id
        }
    )

    return {
        'statusCode': 200,
        'body': json.dumps({'message': 'Success'})
    }

Step 3: Infrastructure

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resource "aws_lambda_function" "main" {
  filename         = "lambda.zip"
  function_name    = "my-function"
  role             = aws_iam_role.lambda.arn
  handler          = "handler.handler"
  runtime          = "python3.11"

  environment {
    variables = {
      TABLE_NAME = aws_dynamodb_table.main.name
    }
  }
}

resource "aws_dynamodb_table" "main" {
  name           = "my-table"
  billing_mode   = "PAY_PER_REQUEST"
  hash_key       = "id"

  attribute {
    name = "id"
    type = "S"
  }
}

Step 4: Deploy

terraform init
terraform plan
terraform apply -auto-approve

Results

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Lessons Learned

Lorem ipsum dolor sit amet, consectetur adipiscing elit:

1. Ut enim ad minim - Quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat
2. Duis aute irure - Dolor in reprehenderit in voluptate velit esse cillum dolore
3. Excepteur sint - Occaecat cupidatat non proident sunt in culpa

Troubleshooting

Error: Access Denied

Verify IAM role has required permissions. Check CloudWatch logs for details.

Error: Timeout

Increase Lambda timeout or optimize cold start with provisioned concurrency.

Conclusion

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Next steps:

• Add monitoring with CloudWatch alarms
• Implement caching layer with ElastiCache
• Set up CI/CD pipeline

Resources

• GitHub Repository
• AWS Lambda Documentation
• Terraform AWS Provider