https://awsbyivan.com/tags/lambda@edge/ Recent content in Lambda@Edge on AWS by Ivan - Cloud Engineering & DevOps https://awsbyivan.com/images/og-image.png https://awsbyivan.com/images/og-image.png Hugo -- 0.152.2 en-us Thu, 15 Oct 2026 10:00:00 +0000 https://awsbyivan.com/blog/cloudfront-lambda-edge-503/ Thu, 15 Oct 2026 10:00:00 +0000 https://awsbyivan.com/blog/cloudfront-lambda-edge-503/ An intermittent CloudFront 503 traced to a Lambda@Edge origin-response function timing out on cross-region DynamoDB and S3 calls. Here's how CloudFront architecture explains the mystery.