> 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

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> Open Source Projects

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> Recent Posts

Blog

2026.04.10

GKE — Part 2: Private Nodes, Gateway API, and a More Realistic Cluster Shape

Evolving a Terraform-managed GKE cluster from a public proof of concept into a more structured setup with private nodes and a defined entry point.

gcpgke

2026.04.07

From Zero to GKE — A Terraform-First Build with Production in Mind

A Terraform-first journey into GCP and GKE—bootstrapping remote state, building a clean foundation, and getting a minimal cluster running with a clear path toward production.

gcpgke

2026.01.25

How to Build a Slack Bot Like Doraemon

A practical walkthrough on building a Slack bot using Socket Mode and Python 3.11, based on a real-world project.

slackbotpython

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JANUS CHUNG [SYSTEM READY]