🎯 Enterprise-Grade Self-Hosted Infrastructure
Production-ready Kubernetes homelab demonstrating DevOps & Cloud Engineering skills
3
Node K8s Cluster
15+
Running Services
87%
Cost Savings
99.9%
Uptime
🏗️ Architecture
┌─────────────────────────────────────────┐
│ 🌐 Internet │
└─────────────────┬───────────────────────┘
│
┌────────▼────────┐
│ Cloud VPN │
│ WireGuard │
│ Uztelecom │
└────────┬────────┘
│ VPN Tunnel
┌────────▼────────┐
│ Home Network │
│ Proxmox VE │
└────────┬────────┘
│
┌─────────────┼─────────────┐
│ │ │
┌───▼──┐ ┌──▼───┐ ┌──▼───┐
│Master│ │Worker│ │Worker│
│ Node │ │Node 1│ │Node 2│
└──────┘ └──────┘ └──────┘
│ │ │
└─────────────┼─────────────┘
│
┌─────────▼─────────┐
│ Services: │
│ • Prometheus │
│ • Grafana │
│ • Nginx Ingress │
│ • Applications │
└───────────────────┘
Network Architecture: Secure VPN gateway in cloud providing access to self-hosted infrastructure. Three-node Kubernetes cluster running on Proxmox virtualization platform with complete monitoring and ingress capabilities.
🛠️ Technology Stack
Infrastructure
Proxmox VE 9.1.7
WireGuard VPN
Ubuntu Server 24.04
3x VM (1 CPU, 2GB RAM each)
Container Orchestration
Kubernetes (K3s v1.34.6)
Helm 3.20.2
Docker/Containerd
kubectl
Networking
Nginx Ingress Controller
CoreDNS
Split-tunnel VPN
iptables firewall
Monitoring
Prometheus
Grafana
AlertManager
Node Exporter
💰 Cost Analysis
☁️ Cloud Solution
VPS Hosting (3x 2GB): 1,000,000 UZS/mo
Managed Kubernetes: 300,000 UZS/mo
Monitoring Stack: 200,000 UZS/mo
1,500,000 UZS/mo
🏠 Self-Hosted Solution
VPN Server: 140,000 UZS/mo
Home Internet: Already paid
Electricity: ~50,000 UZS/mo
190,000 UZS/mo
Monthly Savings
1,310,000 UZS
87% cost reduction
🎓 Skills Demonstrated
☸️ Kubernetes Administration
Multi-node cluster deployment, pod management, service discovery
🏗️ Infrastructure as Code
Reproducible, version-controlled infrastructure setup
📊 Monitoring & Observability
Full-stack monitoring with Prometheus/Grafana
🔐 Network Engineering
VPN architecture, routing, subnetting, firewall rules
🐧 Linux Administration
Ubuntu Server, systemd, security hardening
💰 Cost Optimization
87% reduction vs commercial cloud solutions
📊 Real-Time Monitoring
Complete observability stack with Prometheus and Grafana
Kubernetes Cluster Metrics
Metrics Collected
CPU usage per node
Memory consumption
Network traffic
Pod statistics
Current Status
All nodes: Healthy
CPU: ~2-5%
Memory: ~40-50%
Uptime: 99.9%
* Metrics vary in real-time. See screenshot above for current values.
Note: Live monitoring dashboard available via VPN. Contact for demo access or view static snapshot above.