Dynamic Few-Shot Prompting with RAG and LLM using Amazon S3 Vectors#149

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lorchda wants to merge 45 commits intoaws-solutions-library-samples:mainfrom

lorchda:feat/dynamic-few-shot

Commits on Dec 16, 2025

chore: fix missing substitution for custom_prompt_lambda_arn
Daniel Lorch
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feat: dynamic-few shot Lambda using S3 Vectors
Daniel Lorch
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chore: remove whitespace
Daniel Lorch
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feat: add support for Amazon Titan Multimodal Embeddings G1 and Amazon Nova Multimodal Embeddings
Daniel Lorch
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chore: move idp_common.image import to generate_embedding function, otherwise bedrock client would always require PIL dependency
Daniel Lorch
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feat: add notebook to ingest FATURA2 dataset into S3 vectors
Daniel Lorch
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chore: update input parameter for document_text + fixes
Daniel Lorch
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feat: add notebook for dynamic few-shot Lambda testing
Daniel Lorch
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chore: placeholder bucket name
Daniel Lorch
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chore: clarify distance
Daniel Lorch
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chore: debug log for S3 vectors result
Daniel Lorch
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chore: filter S3 vectors result by threshold
Daniel Lorch
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chore: add comment on PIL requirement for generate_embedding
Daniel Lorch
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chore: move dynamic-few-shot to plugins folder
Daniel Lorch
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chore: ignore datasets folder
Daniel Lorch
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chore: ruff format
Daniel Lorch
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feat: update dynamic-few-shot Lambda to implement Custom Prompt Lambda interface
Daniel Lorch
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chore: configurable LOG_LEVEL
Daniel Lorch
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feat: convert image_uri to image bytes from custom lambda invocation
Daniel Lorch
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chore: use working bucket from GenAIIDP for dataset + adapt threshold
Daniel Lorch
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chore: remove FATURA2 dataset import
Daniel Lorch
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feat: add fcc_invoices (REALKIE) dataset import
Daniel Lorch
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chore: use custom_prompt_lambda_arn parameter
Daniel Lorch
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chore: add classes configuration for step-by-step example
Daniel Lorch
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chore: remove step-by-step extraction notebook
Daniel Lorch
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chore: fix step 3 extraction instructions
Daniel Lorch
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chore: cfn_nag allow * resource on its permissions policy
Daniel Lorch
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chore: validation for LogLevel
Daniel Lorch
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chore: make LogRetentionDays as parameter
Daniel Lorch
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chore: use KMS key for log group
Daniel Lorch
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Commits on Dec 17, 2025

chore: make bucket creation optional, add KMS key, add dataset bucket
Daniel Lorch
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chore: allow access to IDP output bucket
Daniel Lorch
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chore: fix samconfig.toml
Daniel Lorch
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chore: add reasoning for cfn_nag
Daniel Lorch
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chore: add more reasoning
Daniel Lorch
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chore: decode base64 images
Daniel Lorch
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chore: return base64 encoded images instead of image_uri
Daniel Lorch
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chore: fix parameter
Daniel Lorch
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chore: fix permission policy for s3 vectors
Daniel Lorch
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Commits on Dec 18, 2025

chore: update fcc invoices dataset import code and add more examples in similarity search
Daniel Lorch
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chore: fix syntax
Daniel Lorch
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chore: update numbering + next steps
Daniel Lorch
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chore: fix indices
Daniel Lorch
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chore: add similarity search images
Daniel Lorch
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chore: also log ModelID and VectorDimensions to output
Daniel Lorch
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