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s3onghyun (SEONGHYUN HONG) · GitHub

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s3onghyun/README.md

Platform / DevOps Engineer · GitLab & Observability · Kubernetes

👨‍💻 About me

name: Joshua (홍성현)
role: Platform / DevOps Engineer
focus:
  - GitLab enterprise operations & CI/CD
  - Observability architecture (metrics, logs, traces)
  - Kubernetes platform engineering
currently_learning:
  - OpenTelemetry & eBPF-based observability
  - Platform engineering practices
philosophy: "Automate the toil, observe everything, ship safely."
  • 🛠️ I build and operate GitLab, CI/CD, and Observability platforms for enterprise environments.
  • 📊 I design monitoring/tracing/logging stacks with Prometheus, Grafana, Loki, Tempo, Mimir, OpenTelemetry.
  • ☸️ Day-to-day in Kubernetes: Helm, ArgoCD, runners on K8s, and air-gapped image workflows.
  • 🌍 I give back to the cloud-native tools I use — contributions across 50+ open-source projects including Prometheus, Kubernetes, Docker (moby), Terraform, Cilium, and more.

🧰 Tech Stack

Orchestration & GitOps

CI/CD & SCM

Observability

Languages & Platform

📊 GitHub Stats

🌱 Open Source

I contribute fixes and features to the cloud-native / DevOps ecosystem — from documentation and broken links to real bug fixes (e.g. CJK column-width handling in k9s) and i18n (Korean translations for lazydocker and Jenkins).

Projects I've contributed to include prometheus · kubernetes · moby (Docker) · terraform · helm · cilium · argo-cd · dagger · trivy · cert-manager · containerd · thanos · opentofu — and many more.

👉 Running log: oss-contributions

📫 s3onghyun.hong@gmail.com  •  Automate the toil, observe everything, ship safely.

Popular repositories Loading

  1. otelcol-doctor otelcol-doctor Public

    A Claude Code skill that writes, fixes, and validates OpenTelemetry Collector configs — processor order, core-vs-contrib, pull-vs-push exporters, the works.

    Shell 8

  2. s3onghyun-soul s3onghyun-soul Public

    The soul of a DevOps/Platform consultant — an agent persona (values, voice, judgment) for GitLab CI/CD, Observability, and Kubernetes. Evidence-first, honest, asks for the right tool.

    4

  3. n8n-test-workflow n8n-test-workflow Public

    테스트용 n8n 워크플로

    1

  4. quick-guide-rust-programming quick-guide-rust-programming Public

    Forked from gurugio/quick-guide-rust-programming

    Rust

  5. istio istio Public

    Forked from istio/istio

    Connect, secure, control, and observe services.

    Go

  6. s3onghyun s3onghyun Public

    Config files for my GitHub profile.

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