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Coolify Zero - Zero-Downtime Deployment Manager

Docker-native failover system eliminating deployment downtime for Coolify services. Automated hot standby containers with Traefik health check integration maintain service availability during deployments.

2025•Infrastructure•Published
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Key Features

  • ✓Hot standby system: Maintains failover containers synced with primary service version
  • ✓CLI management: Simple enable/disable commands with real-time status monitoring
  • ✓Traefik integration: Automatic health-based traffic routing during deployments
  • ✓Version tracking: Syncs failover containers after successful primary deployments

Impact

- **Eliminated deployment downtime**: Zero downtime vs. 1-2 minute service interruption during updates - **Automatic failover**: Hot standby containers maintain service during primary deployment - **Zero configuration**: Works with Coolify's existing deployment flow without modification - **Self-healing**: Manager automatically recovers from any state, recreating failover containers as needed

Technology Stack

Core Stack

BashDockerTraefiksystemd
  • Bash scripting with Docker API integration
  • systemd service management
  • Traefik reverse proxy with health checks
  • Docker container orchestration

Tags

DockerDevOpsautomationCLIdeploymentzero-downtimefailoverCoolifyTraefiksystemdhigh-availability