Automate streaming content refresh with Amazon CloudFront cache tags

This article explains how to automate streaming content refresh using Amazon CloudFront cache tags, EventBridge, and Lambda to keep large content catalogs fresh and meet compliance SLAs.

• Group cached objects by semantic tags and invalidate them precisely with a single API call instead of enumerating URL paths or using wildcards
• Design a multidimensional tagging strategy using patterns like series, season, event, license, territory, format, and channel
• Tag VOD assets using Amazon S3 object metadata and live/dynamic content using Lambda@Edge origin-response functions
• Configure EventBridge rules to detect content lifecycle events (rights expiry, live-to-VOD transitions, encoder updates)
• Build a Lambda function that translates events into CloudFront CreateInvalidation API calls with relevant cache tags
• Achieve cache purges within seconds across all edge locations with minimal operational overhead and no impact to unrelated content

This event-driven pipeline eliminates manual invalidation scripts, decouples cache management from URL structure, and scales efficiently as content catalogs grow.