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Amazon S3 Vectors RAG

S3 Vectors RAG Workload

Vector search without a vector database — powered by Amazon S3 Vectors, Bedrock, and serverless compute.
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What you’ll learn

Section titled “What you’ll learn”

S3 Vectors from scratch

What vector buckets and indexes are, how to create them with Terraform, and how to use the PutVectors/QueryVectors API.

RAG pipeline end-to-end

RSS ingestion, Bedrock embeddings, similarity search, reranking, and LLM answer generation — all in a working application.

Terraform everything

Full IaC: S3 Vectors, Lambda, API Gateway, Cognito, Amplify — two resources for vector infra, one command to deploy.

Production patterns

Least-privilege IAM, JWT auth, CORS, throttling, scheduled automation, and structured LLM output.