You want to improve observability and security for a microservice without changing its code. How does the Ambassador pattern help achieve this?

hard📝 Trade-off Q15 of 15

Microservices - Advanced Patterns

ABy replacing the microservice with a new secure version

BBy modifying the service code to include security and logging libraries

CBy adding a sidecar proxy that handles logging, retries, and TLS encryption transparently

DBy deploying a centralized monitoring service that polls the microservice directly

Step-by-Step Solution

Solution:

Step 1: Identify how Ambassador pattern enhances observability and security
The Ambassador pattern uses a sidecar proxy to add features like logging, retries, and TLS without changing the main service code.
Step 2: Compare with other options
Modifying service code, polling directly, or replacing service do not align with Ambassador pattern benefits.
Final Answer:
By adding a sidecar proxy that handles logging, retries, and TLS encryption transparently -> Option C
Quick Check:
Ambassador adds security and observability via sidecar proxy [OK]

Quick Trick: Ambassador adds features without changing service code [OK]

Common Mistakes:

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