[Solved] Identify the error in this migration snippet:services = ['auth', 'payment'] migrated = [] for s in services: migrate(s) migrated.append(s) test(s) | Microservices

Microservices - Migration from Monolith

Identify the error in this migration snippet:

services = ['auth', 'payment']
migrated = []
for s in services:
    migrate(s)
    migrated.append(s)
    test(s)

AAppending to migrated list is unnecessary

BMigration should happen after testing

CThe list 'services' should be empty

DTesting should happen before appending to migrated list

Step-by-Step Solution

Solution:

Step 1: Review migration and testing order
Testing should confirm success before marking service as migrated.
Step 2: Identify correct sequence
Appending to migrated list should occur only after successful testing.
Final Answer:
Testing should happen before appending to migrated list -> Option D
Quick Check:
Test before marking migrated = D [OK]

Quick Trick: Test success before confirming migration [OK]

Common Mistakes:

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