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5 Microservices Design Patterns Every DevOps Team Should Know

Understanding and applying microservices design patterns can help you design more scalable, reliable and maintainable applications. Here are the 5 key microservices design patterns that every DevOps team should know:

  • API Gateway pattern – The API gateway serves as a single entry point for all client requests. It routes requests to the appropriate microservice and aggregates responses. It also handles concerns like authentication, monitoring and rate limiting. It provides a unified API for clients.
  • Database per service pattern – Each microservice owns its own database, ensuring loose coupling and high cohesion. This allows each microservice to use the optimal database type and scale independently.
  • Circuit breaker pattern – It prevents a network or service failure from cascading to other services. When a failure is detected, the circuit breaker trips and prevents further calls to the failing service. It periodically retries the service and closes the circuit when the service is available again.
  • Event-driven pattern – Services publish events when their state changes. Other services subscribe to these events and update their state accordingly. This ensures data consistency in an asynchronous and decoupled manner.
  • Saga pattern – A saga is a sequence of local transactions where each transaction updates data within a single service. If a transaction fails, compensating transactions are executed to undo the impact. This pattern helps manage distributed transactions.

These patterns help with concerns like scalability, fault tolerance, distributed data management and inter-service communication. Though each pattern has its trade-offs, when applied judiciously based on your application’s needs, they can help you build robust and resilient microservices applications.

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Hope this overview of the 5 key microservices design patterns is helpful!



About Abhay Singh

I'm Abhay Singh, an Architect with 9 Years of It experience. AWS Certified Solutions Architect.

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