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In blue-green deployment, what happens to the inactive environment during an update?

easy📝 Conceptual Q2 of 15
Microservices - CI/CD for Microservices
In blue-green deployment, what happens to the inactive environment during an update?
AIt is updated with the new version
BIt serves live traffic
CIt is deleted permanently
DIt is used for database backups only
Step-by-Step Solution
Solution:
  1. Step 1: Identify inactive environment role

    The inactive environment is the one not serving live traffic during deployment.
  2. Step 2: Understand update process

    This environment is updated with the new application version before switching traffic.
  3. Final Answer:

    It is updated with the new version -> Option A
  4. Quick Check:

    Inactive environment = updated version [OK]
Quick Trick: Update inactive environment before switching traffic [OK]
Common Mistakes:
  • Thinking inactive environment serves traffic
  • Assuming it is deleted
  • Confusing it with backup environment

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