Susmit·14h agoArchitecting Systems #5: System Design OverviewPre-signed uploads, ephemeral GPU workers, leases, and HLS over CloudFront — and the cases that shape the design.
Eduardo Carvalho·2d agoServerless na AWS: Lambda, DynamoDB Streams e Boto3 para Eliminar Arquivos Órfãos no S3Como criei um microserviço orientado a eventos que apaga automaticamente o PDF do S3 quando o cadastro é excluído do DynamoDB.
Elias Brito·2d agoAuditoria de milhões de registros no DynamoDB: como o Athena Federated Query resolveu o problemaIntrodução
Sidharth Bangera·2d agoRunning a DynamoDB GUI Without a Mouse: Testing Keyboard and Screen-Reader AccessibilityIntroduction
Anuradha Ranasinghe·5d agoLeast Privilege: DynamoDB vs. Aurora DSQLOne read-only Lambda, two databases, and two places to look when access is denied.
Ambuj·Nov 5Answer, Verify, or Escalate: Building a Judge-Gated Healthcare Benefits Multi Agent System on AWS…Preserving every turn across the AI-to-human handoff, failing safely, and measuring whether the Judge deserves your trust
Oleksandr Andrushchenko·Nov 4DynamoDB Data Modeling: Blog Platform ExampleThis case study describes a production blog platform backed by Amazon DynamoDB. It covers familiar workloads such as latest posts, popular…
Ambuj·Nov 2The Cart Must Outlive the Model: Designing Always-On AI Voice Ordering on Amazon Connect (Part-2)How to step down from Connect AI agents to Amazon Lex to a human agent in the middle of an order, without losing the cart, the call, or the…
Ambuj·Nov 2The Cart Must Outlive the Model: Designing Always-On AI Voice Ordering on Amazon Connect (Part-1)How to step down from Connect AI agents to Amazon Lex to a human agent in the middle of an order, without losing the cart, the call, or the…
InAWS FullstackbyVidura Senevirathne·Nov 2Aurora vs DynamoDB: Why We Switched, and What It Cost UsOur database wasn’t slow. It was in the way. We run a multi-tenant SaaS web app on Amplify Gen 2, with AppSync for the API and Lambda for…