Intermediate LevelCloud Computing (AWS/GCP/Azure)
What is Amazon EventBridge and how does it route events across SaaS applications and microservices?
❓ Interview Prompt: Explain Amazon EventBridge event buses, declarative Rules, Schema Registry, and SaaS partner integrations (Stripe, Datadog).
Amazon EventBridge is a serverless event bus service that ingests, filters, and routes real-time events between microservices, AWS services, and third-party SaaS applications.
Architectural Features:
1
Event Buses: Central channels receiving JSON event payloads (Default bus, Custom buses, or Partner buses like Stripe/Zendesk).
2
Rules: Declarative JSON pattern matchers that evaluate incoming events and dispatch matches to target destinations (Lambda, SQS, Step Functions).
3
Schema Registry: Automatically infers and logs JSON event schemas, generating TypeScript/Java code bindings.
Code Implementation Example
json
{
"source": ["custom.orders"],
"detail-type": ["OrderCreated"],
"detail": {
"status": ["COMPLETED"],
"total": [{ "numeric": [">=", 100] }]
}
}💡Amazon EventBridge Rule matching high-value completed order events.
🎯 Interview Key Takeaway
EventBridge routes microservice and SaaS event streams to AWS target services using declarative JSON pattern matching rules.
#EventBridge#Event Bus#EDA#Serverless#Intermediate
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