aws
46 posts
A platform-engineer read of what a Bedrock Knowledge Base actually is, which data sources and vector stores are first-class, and why the console default rarely fits a small corpus.
Named signals that justify a Kafka migration from a managed event bus, and a four-phase outbox-anchored playbook to move without rip-and-replace.
A CDK guide for deploying a minimal Strands agent on AgentCore Runtime — parameterized stack, arm64 build, deploy and invoke, and the IAM and Marketplace prerequisites you need before the first call.
A platform-engineering default for multi-team AWS orgs: one event, many consumers, each in its own account with its own SQS and DLQ, fan-out lives in the event bus layer.
A deep dive into building SaaS authorization with AWS Cognito and Verified Permissions. Covers Cedar policy language, multi-tenant patterns, JWT token flow, cost analysis, and common mistakes with TypeScript examples.
A vendor-neutral evaluation of external authorization platforms including AWS Verified Permissions, SpiceDB, OpenFGA, Cerbos, and OPA. Covers architecture patterns, cost analysis, and a decision framework for engineering teams.
A practical guide to designing and implementing AWS Control Tower multi-account strategy covering OU structure, SCPs, RCPs, Account Factory for Terraform, IAM Identity Center, and centralized security architecture.
Practical strategies to prevent and handle DynamoDB throttling in Single Table Design applications. Covers partition key design, write sharding, capacity modes, DAX caching, retry patterns, and CloudWatch monitoring for high-throughput systems.
A practical comparison of TypeScript AI SDKs for building AI agents - Vercel AI SDK, OpenAI Agents SDK, and AWS Bedrock integration. Includes code examples, decision frameworks, and production patterns.
A comprehensive technical guide to choosing and implementing AWS edge computing solutions for global applications with practical examples and cost optimization strategies.
A comprehensive technical guide to Amazon Cognito's advanced features including custom authentication flows, federation patterns, multi-tenancy architectures, migration strategies, and production-grade security implementation.
A comprehensive technical guide comparing AWS Secrets Manager and Systems Manager Parameter Store, demonstrating when to use each service with real-world implementation patterns.
A production-focused guide to implementing feature flags in distributed systems, comparing LaunchDarkly, Unleash, and AWS AppConfig with working examples for gradual rollouts, A/B testing, and managing technical debt.
A comprehensive guide to implementing caching strategies across multiple tiers, from in-memory application caches to distributed Redis clusters and CDN edge caching. Learn when to use cache-aside vs write-through patterns, how to choose between ElastiCache and MemoryDB, and how to prevent cache stampede in production.
A comprehensive guide to reducing AWS costs by 40-70% through systematic optimization using native AWS services, automation, and proven implementation patterns.
Learn how the Transactional Outbox Pattern solves the dual-write problem in distributed systems, with practical implementations using PostgreSQL, DynamoDB, and CDC tools.
A comprehensive guide to building scalable real-time APIs with AWS AppSync, covering JavaScript resolvers, subscription filtering, caching strategies, and infrastructure as code patterns.
A practical guide to building Internal Developer Platforms (IDPs) using golden paths, self-service infrastructure, and product thinking. Covers Backstage, Port, AWS services, metrics beyond DORA, and common pitfalls.
Learn how to implement secure cross-account event distribution using Amazon SNS and SQS. Covers IAM policies, KMS encryption, AWS CDK implementation, and common pitfalls from real-world deployments.
Token-based pricing creates unique cost challenges for production LLM applications. Learn systematic optimization strategies including prompt caching, model routing, and token budgets to reduce costs by 60-80% without sacrificing quality.
Stop choosing based on features; choose based on your communication pattern. A practical guide to selecting between SQS, SNS, and EventBridge with working CDK examples and cost analysis.
Master AWS Step Functions for production-ready serverless workflows. Learn Standard vs Express workflows, Distributed Map processing, error handling patterns, callback integration, and cost optimization strategies with working CDK examples.
Learn how AWS Bedrock AgentCore solves the infrastructure challenges of deploying agentic AI at scale - from prototype to production with runtime, memory, gateway, and multi-agent coordination.
Comprehensive guide to Aurora architecture, cost analysis, and when to choose it over RDS. Includes migration strategies, performance characteristics, and real-world decision frameworks.
Exploring proven strategies to overcome CloudFormation's 500 resource limit using nested stacks, cross-stack references, SSM Parameter Store, and microstack architecture with real TypeScript CDK examples and decision frameworks.
Master DynamoDB single-table design with practical patterns for modeling relationships, choosing between GSI and LSI, optimizing with DAX, and avoiding common pitfalls in production NoSQL systems.
A practical guide to implementing customer relationship management using event sourcing, CQRS, and event-driven patterns for marketing automation and consent management
Practical approaches to managing Lambda Layer versions across dev, staging, and production environments with AWS CDK, including automated deployment pipelines and rollback strategies.
A comprehensive guide to deploying Next.js applications beyond Vercel, with practical cost analysis, implementation details, and migration strategies for production environments
Learn to build automated preview environments using AWS CDK, Lambda, and GitHub Actions for seamless PR testing and review workflows
A technical case study on implementing multi-version APIs in production. Failed approaches, working solutions, and CDK patterns for managing API evolution.
A practical guide to AWS Fargate from someone who's managed too many EC2 instances. Learn when serverless containers make sense and when they don't.
Advanced Fargate patterns learned from running production workloads. From cost optimization to stateful containers, here's what the docs won't tell you.
Production incidents from running Fargate at scale. Memory leaks, ENI limits, subnet failures, and debugging techniques that work.
How to deploy Fargate effectively with different IaC tools. Practical patterns, common gotchas, and what works best for each approach.
Real-world strategies for optimizing AWS Lambda cold starts, covering runtime selection, provisioned concurrency, and practical optimization techniques from production environments.
Master AWS Lambda performance tuning with real production examples. Learn memory optimization strategies, CPU allocation principles, benchmarking techniques, and cost analysis frameworks through practical insights.
Master advanced AWS Lambda patterns including Lambda Layers, VPC configuration, cross-account execution, and comprehensive cost optimization strategies. Real-world migration experiences and architectural decisions from production Lambda usage.
Discover how Middy transforms Lambda development with middleware patterns, moving from repetitive boilerplate to clean, maintainable serverless functions
Achieve sub-10ms response times in AWS Lambda through runtime selection, database optimization, bundle size reduction, and caching strategies. Real benchmarks and production lessons included.
A practical approach to handling large file uploads using S3 signed URLs instead of Lambda proxies. Complete implementation with CDK, security considerations, and lessons learned from production experience.
Learn multi-account AWS architecture patterns for building resilient event-driven systems. Explore account structure, EventBridge routing, cross-service communication, and operational challenges in distributed systems.
Explore the motivations behind migrating from Serverless Framework to AWS CDK, including licensing changes, architectural advantages, and when CDK becomes the better choice for your serverless applications.
Deep dive into migrating Lambda functions, API Gateway configurations, request validations, and error handling from Serverless Framework to AWS CDK with practical examples.
Master DynamoDB migrations, environment variable management, secrets handling, and VPC configurations when moving from Serverless Framework to AWS CDK.
From raw AWS SDK complexity to production-ready single-table design. Learn practical DynamoDB Toolbox patterns, common pitfalls to avoid, and the architectural decisions that scale.