Microservices interview questions 2026

Microservices Architecture Guide – 2026 Edition

Learn Microservices from scratch using Spring Boot, Docker, Kubernetes, API Gateway, Service Registry, Distributed Transactions, Event-Driven architecture & real-world communication patterns. Ideal for Java/Python developers, backend engineers, and interview preparation.

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Covers service registry, gateway, config server, communication flows, patterns, SAGA, CQRS & diagrams.

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🧭 Microservices Roadmap (2026 Updated)

  • βœ” REST APIs & HTTP fundamentals
  • βœ” Spring Boot & Dependency Injection
  • βœ” API Gateway (Spring Cloud Gateway / NGINX)
  • βœ” Service Registry (Eureka / Consul)
  • βœ” Config Server (Centralized configuration)
  • βœ” Databases per service
  • βœ” SAGA & CQRS patterns
  • βœ” Event-Driven Architecture (Kafka / RabbitMQ)
  • βœ” Docker + Kubernetes deployment
  • βœ” Observability: Logging, Tracing, Metrics
  • βœ” Distributed transactions

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