Zero-Downtime Microservice Deployment with Docker, Traefik, and Automated Rollback Watchdogs
Infrastructure hardening strategies to guarantee 99.98% production uptime under high-concurrency enterprise traffic and automated circuit breakers.
Written by
Ayesha Siddiqua
Verified ProSRE Lead
Ayesha Siddiqua writes about devops & reliability from the GrowBig IT engineering floor.
Section // 01
Overview
Zero downtime is an operational contract, not a deployment trick. We pair blue-green container swaps with Traefik health gates so traffic only shifts after readiness probes and synthetic checks pass.
Section // 02
Key Insight 01
The watchdog is the part most teams skip: error-rate and latency budgets are evaluated for a fixed observation window, and the release rolls back automatically if either budget is breached.
Ayesha Siddiqua
SRE Lead
Ayesha Siddiqua writes about devops & reliability from the GrowBig IT engineering floor.
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