> 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

2026.08.23

GKE - Part 6: Multi-Cloud Service Connectivity Between GKE and EKS

Connecting workloads across GKE and EKS with the Tailscale Kubernetes operator, so a workload moved to GKE can still reach a private service in EKS.

gcpgke

2026.05.21

Using ADB as My Android File Manager from Linux

I wanted to move files to Android without installing a random file manager app, so I started using ADB from my Linux terminal instead.

androidadb

2026.05.13

GKE - Part 5: Private Platform Access with the Tailscale Kubernetes Operator

Installing the Tailscale Kubernetes operator on GKE, exposing Argo CD privately through Tailscale Ingress, and documenting the setup so I do not have to rediscover it next time.