🚀 Live
Published Dec 21, 2025
Raspberry Pi K3s Cluster
Production Kubernetes cluster from 4 Raspberry Pi nodes.
Production Kubernetes Cluster
Complete build log of my K3s cluster with 4 Raspberry Pi nodes.
Hardware
- 4x Raspberry Pi 4 (8GB each)
- Custom 3D-printed enclosure
- 5-port gigabit switch
- Active cooling
Software
- K3s (lightweight Kubernetes)
- Longhorn (storage)
- Traefik (ingress)
- ArgoCD (GitOps)
Status: Production
Running: 20+ pods
Tech Stack
Kubernetes
K3s
Raspberry Pi
Docker
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