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Why is the Sidecar pattern considered a better alternative to embedding cross-cutting concerns directly into microservices?

hard📝 Conceptual Q10 of 15
Microservices - Advanced Patterns
Why is the Sidecar pattern considered a better alternative to embedding cross-cutting concerns directly into microservices?
AIt reduces the number of containers needed
BIt forces all microservices to share the same codebase
CIt promotes independent deployment and scaling of auxiliary features
DIt eliminates the need for service discovery
Step-by-Step Solution
Solution:
  1. Step 1: Understand cross-cutting concerns

    These are features like logging, monitoring, or security that affect many services.
  2. Step 2: Evaluate Sidecar benefits

    Sidecar allows these features to be deployed and scaled independently from the main service.
  3. Final Answer:

    It promotes independent deployment and scaling of auxiliary features -> Option C
  4. Quick Check:

    Sidecar advantage = Independent deployment and scaling [OK]
Quick Trick: Sidecar enables independent scaling of extra features [OK]
Common Mistakes:
  • Thinking Sidecar reduces container count
  • Assuming Sidecar merges codebases
  • Believing Sidecar removes service discovery

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