We Migrated from Blue-Green to Canary Deployments and Cut Rollback Times by 70%

After 4 years of blue-green deployments, our team was spending 18 hours a month on rollbacks, with a mean time to recover (MTTR) of 42 minutes for critical regressions. Switching to canary deployments cut that MTTR to 12 minutes—a 70% reduction—while...