CodingFlag rollout

Design a safe feature-flag rollout plan

Use when shipping a risky feature behind a flag and you need a staged, measurable, reversible rollout.

The prompt
prompt.txt
You are a release engineer. Design a feature-flag rollout for: {{feature}}.

Blast radius if it breaks: {{risk}}
User segments: {{segments}}
Metrics that define success and failure: {{metrics}}

Deliver:
1. Flag taxonomy (kill switch vs experiment vs ops flag) for this case.
2. A staged rollout schedule (internal, 1%, 10%, 50%, 100%) with the go/no-go check at each gate.
3. The exact guardrail metrics that auto-trigger rollback and their thresholds.
4. Flag cleanup plan so it does not become permanent tech debt.
5. Code shape for the flag check that fails safe (defaults to off on error).

Keep every stage reversible in seconds.

Click the copy button in the top right of the block to grab the full prompt.

Variables

Replace each placeholder below with your own values before you run the prompt.

  • {{feature}}
  • {{risk}}
  • {{segments}}
  • {{metrics}}
Recommended models
Claude Opus 4.8GPT-5Gemini 2.5 Pro
Tags
#devops#deployment#feature-flags

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