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New pattern submission - apigw-http-api-lambda-bedrock-dynamodb-vector-search-cdk

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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
20/100
Tipo di issue
Funzionalità
Chiarezza
Specificata chiaramente
Stato di attività
Ferma
Stack tecnologico
aws, typescript
Ambito
api, cloud, database

Direzione di ricerca

Inizia esaminando la directory dei pattern denominata apigw-http-api-lambda-bedrock-dynamodb-vector-search-cdk e il Template PR #3275 collegato, quindi confronta il relativo example-pattern.json e README con le convenzioni dei pattern del repository. Esegui la build TypeScript indicata, le suite di test, la sintesi CDK e la convalida dei metadati; il lavoro è concluso quando il pattern supera questi controlli e il deployment e il cleanup documentati vengono completati correttamente.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

Pattern

apigw-http-api-lambda-bedrock-dynamodb-vector-search-cdk

A TypeScript AWS CDK pattern that creates a serverless semantic-search API with Amazon API Gateway HTTP API, AWS Lambda, Amazon Bedrock embeddings, and a native Amazon DynamoDB vector index.

Why this pattern is useful

This pattern gives developers a reusable starting point for semantic search while keeping vectors and operational data together in DynamoDB. It avoids a separate vector database and record-synchronization pipeline, uses a tenant-scoped composite primary key so document IDs cannot collide across tenants, demonstrates tenant-scoped searches with optional category filtering, and provides an idempotent custom resource for the DynamoDB vector-index lifecycle while native CDK and CloudFormation coverage is unavailable.

The focused integration can be adapted for document discovery, product catalogs, support search, multi-tenant SaaS, and knowledge-search APIs. The collection currently has an S3 Vectors RAG example but no native DynamoDB vector-search pattern implemented with AWS CDK and TypeScript.

Scope

  • AWS services: Amazon API Gateway, AWS Lambda, Amazon Bedrock, and Amazon DynamoDB
  • Infrastructure as code: AWS CDK
  • Language: TypeScript
  • Custom code: One application Lambda handler and the bounded custom-resource provider required to manage the vector index
  • Pattern type: Focused IaC integration, not a complete application, utility, or demo repository
  • PR scope: One pattern directory only

Model compliance

  • example-pattern.json contains the complete 354-word introduction.
  • It contains 4 AWS documentation and blog resources.
  • The author entry contains a one-sentence bio plus LinkedIn and Twitter IDs.
  • The README includes Requirements, Architecture, Flow, Resources, How it works, Deployment Instructions, Testing, and Cleanup.
  • The architecture diagram uses official AWS Architecture Icons.

Validation

  • A clean Node.js 24 dependency installation, TypeScript build, all 9 tests across 3 suites, CDK synthesis, and repository metadata schema validation passed.
  • The exact submitted commit, cf375c1, was deployed by following the README from a clean application-stack state and reached CREATE_COMPLETE.
  • Both documented interfaces passed: API Gateway HTTP requests and direct Lambda invocations. Live testing also covered tenant isolation, category filtering, malformed JSON, oversized embedding input, oversized multibyte tenant keys, and an unknown route.
  • Application, custom-resource provider, and framework logs contained no unexpected errors.
  • The documented cleanup reached DELETE_COMPLETE; follow-up checks found no residual application stack, DynamoDB tables, Lambda functions, HTTP APIs, IAM roles, or application log groups.
  • No credentials, account identifiers, API endpoints, profiles, role ARNs, or generated deployment files are included in the PR.

GitHub PR for template

https://github.com/aws-samples/serverless-patterns/pull/3275

Lingua principale
Python
Stelle
1.8k
Fork
1.1k
Merge medio
4g 9h
PR unite (30g)
6

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