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Demo - S3 Object Lambda

Talkat AWS Pi Week 2021 · 2021-03-15..03-18· [serverless, security]
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S3 Object Lambda wraps an S3 access point and runs a real Lambda on GET requests to transform objects: a 2 MB CSV (31,415 lines) demo either returns unchanged for admin, does a mask in place byte-for-byte redact for a legacy client and adds a redaction-type header, or filters and removes columns producing 3,515 records for a finance role. Transformation streams from S3 via a presigned URL, uses normal Lambda pricing plus request and data fees, and supports the Lambda free tier.

AI-written summary · about

  1. 0:00Introduction to s3 object lambda
  2. 1:22Setting up access points
  3. 2:13Configuring lambda functions
  4. 3:30Demo: Admin access
  5. 4:58Demo: Legacy system redaction
  6. 6:31Demo: Row-level filtering
  7. 7:59Demo: Custom access denial
  8. 8:43Under the hood
  9. 10:13Code implementation analysis
  10. 11:26Use cases and observability
  11. 13:04Streaming and performance
  12. 15:26Security and public buckets
  13. 17:05Pricing and wrapping up
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