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Which of the following best describes a canary deployment strategy?

easy📝 Conceptual Q2 of 15
Docker - Production Patterns

Which of the following best describes a canary deployment strategy?

ADeploying new code to a small subset of servers first
BDeploying new code to all servers simultaneously
CDeploying code only after manual approval on all servers
DDeploying code without any testing
Step-by-Step Solution
Solution:

  1. Step 1: Define canary deployment strategy

    It involves releasing new code to a small subset first to monitor behavior.

  2. Step 2: Match options to this definition

    Deploying new code to a small subset of servers first matches the gradual deployment to a small subset.

  3. Final Answer:

    Deploying new code to a small subset of servers first -> Option A

  4. Quick Check:

    Canary deployment strategy = small subset rollout [OK]
Quick Trick: Small subset first, then full rollout [OK]
Common Mistakes:
  • Choosing instant full deployment
  • Confusing manual approval with canary
  • Ignoring testing phase

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