> Platform Engineer

JANUS CHUNG
[SYSTEM READY]

Designing and evolving scalable Kubernetes platforms with Terraform, GitOps, and multi-cloud infrastructure.

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> Featured Project

DevOps Odyssey

From Zero to Production

An ongoing journey documenting the evolution from Docker to a production-ready Kubernetes platform on Oracle Cloud Infrastructure. Built with Terraform, Ansible, GitOps, and observability—all within the free tier.

Embark the Odyssey →

The DevOps Odyssey: Fully Automating OCI App Deployment with Terraform, Ansible, and Docker

The DevOps Odyssey Continues: Evolving from Docker to K3s with Ansible

The DevOps Odyssey, Part 3: GitOps on K3s with Argo CD — Self-Managing Infrastructure from a Single Commit

The DevOps Odyssey, Part 4: Secrets, GitHub Auth, and Scaling Out

The DevOps Odyssey, Part 5: Migration of Job Winner and Release of the Photo App

The DevOps Odyssey, Part 6 — Closing the Loop with GitHub Auto-Tagging

The DevOps Odyssey, Part 7: Observability on a Budget — Grafana, Loki, and Prometheus on OCI Free Tier

The DevOps Odyssey, Part 8: The Weekend Zero-Downtime Migration — GoDaddy Hosting + Email → K3s + Zoho Mail (aka Zero$Ops?)

The DevOps Odyssey, Part 9: The Day My K3s Cluster Disappeared

The DevOps Odyssey, Part 10: From Tailscale Curiosity to a Self-Hosted Headscale Network

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> Open Source Projects

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> Recent Posts

Blog

2026.10.02

A Small Kargo Warehouse POC with GHCR

Build a tiny version endpoint, publish SemVer images to GHCR, and verify that a Kargo Warehouse discovers each release as new Freight.

kargogitops

2026.09.29

Runbook: Bootstrap Argo CD on a New Cluster with GitOps

A phased, repeatable runbook for bootstrapping Argo CD, Sealed Secrets, and an app-of-apps control repository on a new Kubernetes cluster.

kubernetesargocd

2026.09.25

Automate the Tedious: Supercharging Everyday Routines With AI

I turned a repetitive Git branch cleanup routine into a Bash menu with AI, and learned that designing the workflow before writing code matters more than the code itself.

aibash

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JANUS CHUNG [SYSTEM READY]