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.
Orchestration & GitOps
CI/CD & SCM
Observability
Languages & Platform
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.