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Why does externalizing configuration improve the flexibility of microservices?

easy📝 Conceptual Q1 of 15
Microservices - Configuration and Secrets Management
Why does externalizing configuration improve the flexibility of microservices?
AIt embeds configuration directly into the service code
BIt forces all services to use the same configuration
CIt disables dynamic updates to service parameters
DIt allows changing settings without redeploying the service
Step-by-Step Solution
Solution:
  1. Step 1: Understand externalized configuration concept

    Externalized configuration means storing settings outside the service code, such as in files or environment variables.
  2. Step 2: Identify flexibility benefits

    This approach allows changing configuration values without changing or redeploying the service code, enabling dynamic updates.
  3. Final Answer:

    It allows changing settings without redeploying the service -> Option D
  4. Quick Check:

    Flexibility = External config allows updates without redeployment [OK]
Quick Trick: External config means change settings without code changes [OK]
Common Mistakes:
  • Thinking config is hardcoded inside service
  • Assuming all services share one config file
  • Believing config cannot be updated dynamically

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