CloudFront will normally serve cached content from an edge location until the content expires. After it expires, the next time that content is requested by an end user, CloudFront goes back to the…

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AWS Tip

Learn how to use CloudFront invalidation requests to control caching in Amazon S3 and CloudFront. Implement content versioning or set up a Lambda function triggered by S3 events for automatic invalidation.

AWS: Invalidate CloudFront Cache on S3 Upload