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Single-Node Kubernetes Homelab: GitOps Automation with ArgoCD & Terraform

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Vijay Kumar Singh
Project kubernetes k3s ArgoCD GitOps Terraform Prometheus Grafana Linux
Vijay Kumar Singh
Author
Vijay Kumar Singh
Certified Kubernetes Administrator (CKA) & Google Cloud ACE | Cloud, DevOps & Site Reliability Engineer specializing in Kubernetes (GKE/AKS/k3s), Terraform, ArgoCD GitOps, and Enterprise Observability.
Table of Contents

Project Overview
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My homelab serves as a self-hosted cloud-native sandbox to test enterprise Kubernetes patterns, declarative GitOps deployments, and infrastructure automation. Designed to emulate production cluster environments on lightweight hardware, it bridges local development with production-grade Kubernetes management.

Hands-On Experience
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  • Gained practical experience building and managing a bare-metal/single-node Kubernetes (k3s) platform
  • Architected declarative GitOps sync pipelines using ArgoCD for automated continuous deployment
  • Configured Traefik Ingress controllers and MetalLB load balancing for internal service routing
  • Deployed Prometheus Operator and custom Grafana dashboards for cluster-wide metric observability
  • Implemented persistent volume storage management, Kubernetes Secrets, ConfigMaps, and RBAC policies

Tech Stack
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  • Container Orchestration: Kubernetes (k3s)
  • GitOps & Delivery: ArgoCD
  • Infrastructure as Code: Terraform
  • Networking & Ingress: MetalLB, Traefik Ingress
  • Observability: Prometheus, Grafana, Kube-State-Metrics
  • OS & Environment: Linux, Bash

Project Links #


Homelab Details

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