A microservice uses externalized config but fails to load settings after deployment. What is the most likely cause?

medium📝 Analysis Q14 of 15

Microservices - Configuration and Secrets Management

AThe service does not need external config to run.

BThe service code has a syntax error unrelated to config.

CThe external config source (e.g., env vars or files) was not set or accessible.

DThe config is embedded inside the service binary.

Step-by-Step Solution

Solution:

Step 1: Identify why external config might fail
If the service cannot load config, the external source is likely missing or inaccessible.
Step 2: Rule out unrelated causes
Syntax errors or embedded config do not explain failure to load external config.
Final Answer:
The external config source (e.g., env vars or files) was not set or accessible. -> Option C
Quick Check:
Missing external config causes load failure [OK]

Quick Trick: Check if external config source is set and reachable [OK]

Common Mistakes:

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