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A focused list of articles for this topic.
14 min read · rollback canaries when SLO burn rate exceeds policy
Canary deploys are easy to start; promoting or rolling back on evidence is not. Wire Flagger or Argo Rollouts to SLO burn-rate math so rollback happens when error budget consumption accelerates—not after a dashboard review at 3 AM.
12 min read · switch production traffic atomically with instant rollback
Rolling updates mix old and new versions under live traffic. Blue-green keeps two full stacks, validates the idle color through a preview Service, then switches the production selector in one step—with instant rollback by patching back.
12 min read · reduce release blast radius with metric-driven progressive rollouts
Rolling updates alone still expose every user to risky changes at once. This guide combines Flagger-style canary traffic with feature flags so you can validate releases under real load and roll back fast without a full outage.
