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proflead/codex-skills-library160Updated Jul 29, 2026
FreePublished on GitHub
zero-downtime-migration
Plan a zero-downtime migration for data or infrastructure. Use when a senior developer needs a safe migration strategy.
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SKILL.md (original)
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Zero-Downtime Migration
Purpose
Plan a zero-downtime migration for data or infrastructure.
Inputs to request
- Source and target systems.
- Data volume and sync approach.
- Rollback requirements and cutover window.
Workflow
- Define dual-write or compatibility strategy.
- Plan rollout phases and rollback triggers.
- Validate data consistency and cutover checks.
Output
- Migration plan with phases and rollback.
Quality bar
- Include verification steps before cutover.
- Document rollback triggers and owner.
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