Building a Serverless PDF Summarizer with Claude, S3, and Lambda

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The article explains how a PDF uploaded to an S3 bucket can be automatically summarized without managing any servers. It describes how AWS Lambda runs code only when triggered, scales automatically with concurrent uploads, and charges only for execution time. The workflow combines S3 for storage, Lambda for event-driven processing, and Amazon Bedrock for access to Claude's language model, with IAM roles granting the needed permissions. A minimal TypeScript Lambda handler is presented as a starting point, with the full summarization logic to be added in later steps.

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