{"id":48023736,"url":"https://github.com/devkoriel/devkoriel","last_synced_at":"2026-04-04T13:49:15.966Z","repository":{"id":332003476,"uuid":"1131213451","full_name":"devkoriel/devkoriel","owner":"devkoriel","description":"DevOps Engineer @ Chronicle Labs | AWS EKS, GitOps, \u0026 Web3 Infrastructure","archived":false,"fork":false,"pushed_at":"2026-03-30T00:42:08.000Z","size":105,"stargazers_count":0,"open_issues_count":1,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-03-30T03:49:29.396Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/devkoriel.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-01-09T16:39:37.000Z","updated_at":"2026-03-30T00:08:51.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/devkoriel/devkoriel","commit_stats":null,"previous_names":["devkoriel/devkoriel"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/devkoriel/devkoriel","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/devkoriel%2Fdevkoriel","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/devkoriel%2Fdevkoriel/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/devkoriel%2Fdevkoriel/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/devkoriel%2Fdevkoriel/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/devkoriel","download_url":"https://codeload.github.com/devkoriel/devkoriel/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/devkoriel%2Fdevkoriel/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31402276,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-04T10:20:44.708Z","status":"ssl_error","status_checked_at":"2026-04-04T10:20:06.846Z","response_time":60,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-04-04T13:49:15.218Z","updated_at":"2026-04-04T13:49:15.959Z","avatar_url":"https://github.com/devkoriel.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cdiv align=\"center\"\u003e\n\n# 👋 Hi, I'm Jinsoo Heo\n\n\u003cimg src=\"https://readme-typing-svg.herokuapp.com?font=Fira+Code\u0026size=32\u0026duration=2800\u0026pause=2000\u0026color=A855F7\u0026center=true\u0026vCenter=true\u0026width=800\u0026lines=DevOps+Engineer+%40+Chronicle;ex-Dunamu+(Upbit)+%7C+ex-PUBG;Oracle+Infra+%26+DeFi+Security;Kubernetes+%26+GitOps+at+Scale;eBPF+%26+Kernel-Level+Observability\" alt=\"Typing SVG\" /\u003e\n\n\u003c/div\u003e\n\n\u003cdiv align=\"center\"\u003e\n\n[![LinkedIn](https://img.shields.io/badge/LinkedIn-%230077B5.svg?style=for-the-badge\u0026logo=linkedin\u0026logoColor=white)](https://www.linkedin.com/in/devkoriel/)\n[![Twitter](https://img.shields.io/badge/@devkoriel-%231DA1F2.svg?style=for-the-badge\u0026logo=X\u0026logoColor=white)](https://twitter.com/devkoriel)\n[![Website](https://img.shields.io/badge/Website-koriel.kr-4A154B?style=for-the-badge\u0026logo=google-chrome\u0026logoColor=white)](https://koriel.kr)\n[![Blog](https://img.shields.io/badge/Blog-blog.koriel.kr-FF5722?style=for-the-badge\u0026logo=blogger\u0026logoColor=white)](https://blog.koriel.kr)\n\n\u003c/div\u003e\n\n---\n\n### 💼 About Me\n\nDevOps Engineer @ **[Chronicle](https://chroniclelabs.org)** — the decentralized oracle network securing DeFi protocols.\n\nI own the reliability and infrastructure behind Chronicle's oracle publishing pipeline, ensuring continuous on-chain data delivery across EVM chains. Oracle downtime means DeFi protocol risk, so everything I build is designed for zero-downtime and rapid incident response.\n\n🔭 Building and operating Kubernetes-based oracle infrastructure on **AWS EKS**\u003cbr\u003e\n🚀 Driving GitOps adoption with **ArgoCD** app-of-apps pattern across multi-environment deployments\u003cbr\u003e\n📊 Designing the observability platform — **Grafana**, **Mimir**, **Loki**, and **Alloy** — for oracle liveness monitoring\u003cbr\u003e\n🏗️ Managing infrastructure-as-code with **Terraform**, **Helm**, and IPFS-based immutable configuration\u003cbr\u003e\n🔥 Leading on-call and incident response for critical oracle infrastructure\u003cbr\u003e\n🌱 Deep diving into **eBPF** and kernel-level observability\u003cbr\u003e\n📫 Reach me: **dev.koriel@gmail.com** (personal) | **jinsoo@chroniclelabs.org** (work)\n\n---\n\n### 🏢 Experience\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd width=\"120\" align=\"center\"\u003e\u003cb\u003eChronicle\u003c/b\u003e\u003cbr\u003e\u003csub\u003e2025 — Present\u003c/sub\u003e\u003c/td\u003e\n\u003ctd\u003e\n\u003cb\u003eDevOps Engineer\u003c/b\u003e — Decentralized oracle network securing DeFi protocols\u003cbr\u003e\n\u003csub\u003eKubernetes (EKS) · ArgoCD GitOps · Grafana/Mimir/Loki · Terraform · Helm · Incident Response\u003c/sub\u003e\n\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"120\" align=\"center\"\u003e\u003cb\u003eDunamu\u003c/b\u003e\u003cbr\u003e\u003csub\u003e2023 — 2025\u003c/sub\u003e\u003c/td\u003e\n\u003ctd\u003e\n\u003cb\u003eDevOps Engineer\u003c/b\u003e — \u003ca href=\"https://upbit.com\"\u003eUpbit\u003c/a\u003e, South Korea's largest crypto exchange\u003cbr\u003e\n\u003csub\u003eKubernetes (EKS \u0026 kOps) · Istio service mesh · Kong API Gateway (Lua plugin dev) · AWS network architecture · SLA/SLO/SLI dashboards (Datadog \u0026 Grafana) · eBPF-powered observability · Internal tooling (Go \u0026 Python)\u003c/sub\u003e\n\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"120\" align=\"center\"\u003e\u003cb\u003ePUBG\u003c/b\u003e\u003cbr\u003e\u003csub\u003e2020 — 2022\u003c/sub\u003e\u003c/td\u003e\n\u003ctd\u003e\n\u003cb\u003eLead, Network Security\u003c/b\u003e / \u003cb\u003eDevSecOps Engineer\u003c/b\u003e — PUBG: NEW STATE\u003cbr\u003e\n\u003csub\u003eeBPF + XDP DDoS protection · Load tested for \u003cb\u003e10M+ concurrent users\u003c/b\u003e · Kubernetes HPA with custom Prometheus metrics · EKS + Terraform + Helm · Istio service mesh · Jenkins CI + ArgoCD CD · Infrastructure optimization at scale\u003c/sub\u003e\n\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/table\u003e\n\n---\n\n### 🛠️ Tech Stack\n\n#### Infrastructure \u0026 Cloud\n![Kubernetes](https://img.shields.io/badge/kubernetes-%23326ce5.svg?style=for-the-badge\u0026logo=kubernetes\u0026logoColor=white)\n![AWS](https://img.shields.io/badge/AWS-%23FF9900.svg?style=for-the-badge\u0026logo=amazon-aws\u0026logoColor=white)\n![Terraform](https://img.shields.io/badge/terraform-%235835CC.svg?style=for-the-badge\u0026logo=terraform\u0026logoColor=white)\n![ArgoCD](https://img.shields.io/badge/ArgoCD-EF7B4D?style=for-the-badge\u0026logo=argo\u0026logoColor=white)\n![Helm](https://img.shields.io/badge/Helm-0F1689?style=for-the-badge\u0026logo=helm\u0026logoColor=white)\n![Docker](https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge\u0026logo=docker\u0026logoColor=white)\n\n#### Networking \u0026 Service Mesh\n![Istio](https://img.shields.io/badge/Istio-466BB0?style=for-the-badge\u0026logo=istio\u0026logoColor=white)\n![Kong](https://img.shields.io/badge/Kong-003459?style=for-the-badge\u0026logo=kong\u0026logoColor=white)\n![Cilium](https://img.shields.io/badge/Cilium-F8C517?style=for-the-badge\u0026logo=cilium\u0026logoColor=black)\n\n#### Observability \u0026 Monitoring\n![Grafana](https://img.shields.io/badge/grafana-%23F46800.svg?style=for-the-badge\u0026logo=grafana\u0026logoColor=white)\n![Prometheus](https://img.shields.io/badge/Prometheus-E6522C?style=for-the-badge\u0026logo=Prometheus\u0026logoColor=white)\n![Loki](https://img.shields.io/badge/Loki-F46800?style=for-the-badge\u0026logo=grafana\u0026logoColor=white)\n![Datadog](https://img.shields.io/badge/datadog-%23632CA6.svg?style=for-the-badge\u0026logo=datadog\u0026logoColor=white)\n\n#### Languages \u0026 Tools\n![Go](https://img.shields.io/badge/go-%2300ADD8.svg?style=for-the-badge\u0026logo=go\u0026logoColor=white)\n![Python](https://img.shields.io/badge/python-3670A0?style=for-the-badge\u0026logo=python\u0026logoColor=ffdd54)\n![Shell Script](https://img.shields.io/badge/shell_script-%23121011.svg?style=for-the-badge\u0026logo=gnu-bash\u0026logoColor=white)\n![Lua](https://img.shields.io/badge/Lua-2C2D72?style=for-the-badge\u0026logo=lua\u0026logoColor=white)\n![eBPF](https://img.shields.io/badge/eBPF-00ADD8?style=for-the-badge\u0026logo=linux\u0026logoColor=white)\n\n#### Web3 \u0026 Blockchain\n![Ethereum](https://img.shields.io/badge/Ethereum-3C3C3D?style=for-the-badge\u0026logo=Ethereum\u0026logoColor=white)\n![Solidity](https://img.shields.io/badge/Solidity-%23363636.svg?style=for-the-badge\u0026logo=solidity\u0026logoColor=white)\n\n---\n\n### 📊 GitHub Stats\n\n\u003cdiv align=\"center\"\u003e\n\n![](https://github-profile-summary-cards.vercel.app/api/cards/profile-details?username=devkoriel\u0026theme=radical)\n\n\u003c/div\u003e\n\n\u003cdiv align=\"center\"\u003e\n\n![](https://github-profile-summary-cards.vercel.app/api/cards/stats?username=devkoriel\u0026theme=radical)\n![](https://github-profile-summary-cards.vercel.app/api/cards/most-commit-language?username=devkoriel\u0026theme=radical)\n\n\u003c/div\u003e\n\n\u003cdiv align=\"center\"\u003e\n\n![](https://github-profile-summary-cards.vercel.app/api/cards/repos-per-language?username=devkoriel\u0026theme=radical)\n![](https://github-profile-summary-cards.vercel.app/api/cards/productive-time?username=devkoriel\u0026theme=radical\u0026utcOffset=9)\n\n\u003c/div\u003e\n\n---\n\n### ⌨️ Weekly Coding Stats\n\n\u003c!--START_SECTION:waka--\u003e\n\n```txt\nTotal Time: 15 hrs 14 mins\n\nOther   15 hrs 24 mins        ████████████▓░░░░░░░░░░░░   50.27 %\nBash    15 hrs 14 mins        ████████████▒░░░░░░░░░░░░   49.73 %\n```\n\n\u003c!--END_SECTION:waka--\u003e\n\n---\n\n### 📈 Contribution Graph\n\n\u003cdiv align=\"center\"\u003e\n\n\u003cimg src=\"https://raw.githubusercontent.com/devkoriel/devkoriel/output/github-contribution-grid-snake-dark.svg\" alt=\"Snake Animation\" /\u003e\n\n\u003c/div\u003e\n\n---\n\n### 🎧 Now Playing\n\n\u003cdiv align=\"center\"\u003e\n\n[![spotify-github-profile](https://spotify-github-profile.kittinanx.com/api/view?uid=31riuiuuzhuqhm6gxgdku6et4knu\u0026cover_image=true\u0026theme=compact\u0026show_offline=true\u0026background_color=121212\u0026interchange=false)](https://spotify-github-profile.kittinanx.com/api/view?uid=31riuiuuzhuqhm6gxgdku6et4knu\u0026redirect=true)\n\n\u003c/div\u003e\n\n---\n\n### 💬 Get in Touch\n\n\u003cdiv align=\"center\"\u003e\n\n**Open to collaboration on DevOps, Web3 infrastructure, and high-availability distributed systems!**\n\n[![Email Personal](https://img.shields.io/badge/Personal-dev.koriel@gmail.com-D14836?style=for-the-badge\u0026logo=gmail\u0026logoColor=white)](mailto:dev.koriel@gmail.com)\n[![Email Work](https://img.shields.io/badge/Work-jinsoo@chroniclelabs.org-0078D4?style=for-the-badge\u0026logo=microsoft-outlook\u0026logoColor=white)](mailto:jinsoo@chroniclelabs.org)\n\n\u003c/div\u003e\n\n---\n\n\u003cdiv align=\"center\"\u003e\n\n\u003cimg src=\"https://komarev.com/ghpvc/?username=devkoriel\u0026color=blueviolet\u0026style=for-the-badge\" alt=\"Profile Views\" /\u003e\n\n\u003c/div\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdevkoriel%2Fdevkoriel","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdevkoriel%2Fdevkoriel","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdevkoriel%2Fdevkoriel/lists"}