Deployment Strategy Overview Covers deployment strategy selection, rollback safety, and progressive delivery patterns. Focuses on zero-downtime release techniques, blast radius management, and environment promotion workflows from development through production. When to use: Choosing between blue-green, canary, or rolling deployments, implementing rollback procedures, configuring health checks and readiness gates, planning environment promotion workflows, integrating feature flags for progressive delivery. When NOT to use: CI/CD pipeline mechanics and GitHub Actions workflows (use skill), infr…