event-driven
17 posts
Keep identity reads in DynamoDB, route arbitrary sort, filters, facets, and full text to a zero-ETL OpenSearch read model, and know when one PostgreSQL beats both.
dynamodb · aws · architecture +2
Learn the mental shift behind event-driven systems: announce facts instead of issuing commands. Covers naming, decoupling, eventual consistency, and idempotency.
event-driven · messaging · idempotency +2
Kinesis is four AWS services under one name. A guide to the four, the Data Streams shard engine underneath, its cost shape, and when to pick something else.
aws · real-time · event-driven +1
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.
messaging · event-driven · aws +4
A platform default for multi-team AWS orgs: one event, many consumers, each in its own account with its own SQS and DLQ, and fan-out in the event bus layer.
aws · eventbridge · event-driven +4
An exploration thesis: vendor lock-in in event-driven systems lives in the bus topology, not the runtime, and wasmCloud plus NATS make the bus portable.
webassembly · messaging · event-driven +3
A pragmatic guide for designers working with async backends: three interaction patterns, when to use each, and four anti-patterns to push back against.
event-driven · state-management · design-patterns +2
Learn how the Transactional Outbox Pattern solves the dual-write problem in distributed systems, with practical implementations using PostgreSQL, DynamoDB, and CDC tools.
distributed-systems · microservices · event-driven +5
Implement secure cross-account event distribution with Amazon SNS and SQS: IAM policies, KMS encryption, AWS CDK, and common production pitfalls.
aws · sns · sqs +6
Choose between SQS, SNS, and EventBridge by communication pattern, not features, with working CDK examples and a clear cost analysis.
sqs · sns · eventbridge +5
A practical guide to the CloudEvents spec and TypeScript SDK: create, parse, and validate standardized events across AWS Lambda and EventBridge.
typescript · serverless · lambda +2
A practical guide to implementing customer relationship management using event sourcing, CQRS, and event-driven patterns for marketing automation and consent management
event-driven · architecture · microservices +3
A practical CQRS implementation with AWS Lambda, EventBridge, and DynamoDB, covering event sourcing, eventual consistency, and distributed debugging.
architecture · dynamodb · event-driven +3
Production-ready DLQ patterns for event-driven systems: monitoring, circuit breakers, exponential backoff, recovery, and the anti-patterns worth avoiding.
cloud-providers · reliability · messaging +2
Factories, service layers, and DI containers rarely earn their keep in a Lambda-shaped Node.js service. What replaces them, and where classes still win.
event-driven · functional-programming · lambda +3
A practical guide to evolving Node.js monoliths into event-driven serverless functions, with migration strategies and proven architectural patterns.
event-driven · architecture · nodejs +1
Multi-account AWS architecture patterns for resilient event-driven systems: account structure, EventBridge routing, and cross-service communication.
aws · eventbridge · multi-account +5