Dynamo Streams

• Trigger lambda by dynamodb stream

• Update dynamodb with s3 url and title

• Update the state from pending to processed

• Given id get item from dynamodb

Async Invocation

• Generate request id and extract url

• Insert url corresponding to id in dynamodb

• Invoke lambda in async with request_id as parameter

• From id get url from dynamodb

• Extract title from the url

• Store the url in s3

• Update dynamodb with s3 url and title

• Update the state as processed

• Query Dynamodb table for a given identifier

• Return data

Add title to dynamodb table, return S3 url

2.0

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Extract Title from url

1.0

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