Microservices - CI/CD for Microservices
Which deployment rollback approach uses two separate but identical production environments to switch traffic instantly?
Which deployment rollback approach uses two separate but identical production environments to switch traffic instantly?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify deployment types
Blue-green deployment involves two identical environments where traffic switches between them.Step 2: Match rollback approach
Only blue-green uses this environment switching for rollback; others use gradual or parallel methods.Final Answer:
Blue-green deployment -> Option DQuick Check:
Blue-green = two identical environments [OK]
Quick Trick: Blue-green means two identical environments [OK]
Common Mistakes:
- Confusing canary with blue-green
- Thinking rolling update uses two environments
- Assuming shadow deployment switches traffic instantly
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