DevOps & CI/CD

Automated Canary Deployments with Flagger

DevOps & CI/CD diagram · made in Skemio

Flowchart displaying Flagger lifecycle: initialize release, increase traffic weight, query Prometheus metrics, threshold evaluation, and promote or rollback.
Flowchart displaying Flagger lifecycle: initialize release, increase traffic weight, query Prometheus metrics, threshold evaluation, and promote or rollback.
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What it shows

  • Flagger shifts traffic incrementally (e.g., 5% to 50%) based on schedules.
  • Prometheus metric checks (p99 latency, 5xx rate) guard each step.
  • Automated rollback executes instantly if error thresholds are breached.

The takeaway

Automate canary steps with real-time metric analysis to ship production code without human toil.

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