[Solved] Which of the following is the correct way to define a microservice boundary? — Ans: A service that handles user authentication and profile management | Microservices

Microservices - Migration from Monolith

Which of the following is the correct way to define a microservice boundary?

AA service that handles user authentication and profile management

BA service that mixes payment processing and product catalog updates

CA service that only manages database connections

DA service that handles logging for all other services

Step-by-Step Solution

Solution:

Step 1: Identify cohesive responsibilities
A good service boundary groups related business functions, like authentication and profile management.
Step 2: Check for unrelated responsibilities
Options A, B, and C mix unrelated concerns or are cross-cutting, which should be separate services or infrastructure.
Final Answer:
A service that handles user authentication and profile management -> Option A
Quick Check:
Cohesive business functions = D [OK]

Quick Trick: Group related business tasks in one service [OK]

Common Mistakes:

Master "Migration from Monolith" in Microservices

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Which of the following is the correct way to define a microservice boundary?