Questions
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1How do you inject and use a ClientProxy to communicate with another microservice in NestJS?
2How do you implement a circuit breaker pattern when calling a downstream microservice in NestJS?
3How do you implement distributed tracing across NestJS microservices?
4What transport layers does NestJS support for microservices and how do you bootstrap a microservice?
5How do you implement idempotent event handlers to safely handle duplicate message delivery in NestJS?
6How do you implement the Saga pattern for distributed transactions across NestJS microservices?
7How does gRPC differ from REST and when would you choose it for inter-service communication in NestJS?
8How do you test a NestJS microservice controller in isolation without a real message broker?
9How do you handle errors in microservice request-response patterns and propagate them to the caller in NestJS?
10How do you implement service discovery and load balancing across NestJS microservice instances?
11What is the difference between @EventPattern() and @MessagePattern() in NestJS microservices?
12How do you implement gRPC streaming including server-side, client-side, and bidirectional streaming in NestJS?
13What is the difference between request-response and event-based (fire-and-forget) message patterns in NestJS microservices?
14How do you set up gRPC in a NestJS microservice?
15How do you implement the outbox pattern with Kafka in NestJS to guarantee exactly-once message delivery?
16How do you implement a RabbitMQ topic exchange for routing messages to multiple queues based on routing keys in NestJS?
17How do you connect a NestJS microservice to Apache Kafka?
18What is the @Payload() decorator and how do you use @Ctx() to access transport-specific context in NestJS microservices?
19How do you implement manual message acknowledgement with RabbitMQ in NestJS?
20How do you implement event sourcing with NestJS microservices?
21How do you connect a NestJS microservice to RabbitMQ?
22How do you implement Kafka consumer groups and what guarantees does partition assignment give you in NestJS?
23How do you implement an API Gateway pattern in NestJS that aggregates multiple microservices?
24How do you handle Kafka message patterns and access message headers and partition info via KafkaContext in NestJS?
25How do you implement retry logic with exponential backoff for failed microservice calls in NestJS?
