AWS Lambda API Gateway Tutorial

A serverless QR code generator built with AWS Lambda and API Gateway.

What's Included

• lambda_function.py - QR code generation Lambda handler
• requirements.txt - Python dependencies (qrcode, pillow)
• lambda_deployment.zip - Ready-to-upload deployment package

Test Event (for Lambda console)

{
  "body": "{\"url\": \"https://www.youtube.com/@RayanSlim087\"}"
}

cURL Command (after API deployment)

curl -X POST https://YOUR-API-ID.execute-api.us-east-1.amazonaws.com/prod/generate \
  -H "Content-Type: application/json" \
  -d '{"url": "https://www.youtube.com/@RayanSlim087"}'

View QR Code in Browser

const base64 = "PASTE_YOUR_BASE64_HERE";
const img = document.createElement('img');
img.src = 'data:image/png;base64,' + base64;
img.style.width = '300px';
document.body.appendChild(img);