Event — Event-Driven Architecture Reference
Quick-reference skill for event-driven architecture, event sourcing, pub/sub patterns, and stream processing.
When to Use
- Designing event-driven microservice architectures
- Implementing pub/sub or event bus patterns
- Building event sourcing and CQRS systems
- Choosing between event brokers (Kafka, RabbitMQ, etc.)
- Handling event ordering, idempotency, and exactly-once semantics
Commands
intro
scripts/script.sh intro
Overview of event-driven architecture — patterns, benefits, and tradeoffs.
patterns
scripts/script.sh patterns
Core patterns — pub/sub, event sourcing, CQRS, saga, choreography.
design
scripts/script.sh design
Event design — naming, schema, versioning, and payload structure.
brokers
scripts/script.sh brokers
Event broker comparison — Kafka, RabbitMQ, NATS, Pulsar, SQS, EventBridge.
sourcing
scripts/script.sh sourcing
Event sourcing deep dive — event store, projections, snapshots.
delivery
scripts/script.sh delivery
Delivery guarantees — at-most-once, at-least-once, exactly-once.
stream
scripts/script.sh stream
Stream processing — windowing, aggregation, and real-time analytics.
checklist
scripts/script.sh checklist
Event-driven architecture checklist.
help
scripts/script.sh help
version
scripts/script.sh version
Configuration
| Variable | Description |
|---|---|
EVENT_DIR |
Data directory (default: ~/.event/) |
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