AWS Lambda@Edge
Run code closer to your users to improve performance and reduce latency.
Overview
Lambda@Edge is a feature of Amazon CloudFront that lets you run Node.js and Python Lambda functions to customize content that CloudFront delivers, executing the functions in AWS locations closer to the viewer. The functions run in response to CloudFront events, without provisioning or managing servers.
✨ Key Features
- Run functions at AWS edge locations
- Triggered by CloudFront events (viewer request/response, origin request/response)
- Pay-per-use pricing model
- Integration with AWS services (S3, DynamoDB)
- Supports Node.js and Python
- Scales automatically
🎯 Key Differentiators
- Deep integration with the AWS ecosystem
- Mature and robust platform
- Familiar Lambda programming model
Unique Value: Seamlessly extend AWS Lambda capabilities to the edge, allowing for low-latency content customization and logic execution for applications using Amazon CloudFront.
🎯 Use Cases (5)
✅ Best For
- Modifying HTTP headers for security
- URL rewrites and redirects
- Access control based on cookies or headers
💡 Check With Vendor
Verify these considerations match your specific requirements:
- General purpose backend APIs not tied to a CDN
- Long-running compute tasks
- Functions requiring languages other than Node.js or Python
🏆 Alternatives
Provides deeper and more native integration with other AWS services compared to third-party edge function providers.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Live Chat
- ✓ Phone Support
- ✓ Dedicated Support (Business, Enterprise tier)
🔒 Compliance & Security
💰 Pricing
Free tier: Part of the AWS Free Tier, which includes 1 million Lambda requests and 400,000 GB-seconds of compute time per month.
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