Article 3
Managing Raspberry Pi at Scale with Docker (10 → 1000 Devices)
Docker helps with deployment. But scaling still requires a strategy.
The Challenge
At scale, you need:
- Central visibility
- Consistent deployments
- Safe updates
Key Components
Container Registry
- Central image storage and the single source of truth
Deployment Pipeline
- Automated rollout with staged release rings
Monitoring
- Centralised logs, metrics and alerts
What Goes Wrong
- Manual deployments
- Version inconsistencies across the fleet
- No tested rollback path
Recommended Approach
- Standardised images, built once, signed and tagged
- Controlled release cycles with canary devices
- Remote management with secure access
Final Thought
Docker simplifies scaling — but doesn't remove the need for operations.