Portfolio

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Portfolio

Selected Projects

A collection of infrastructure, platform engineering, and developer tooling work.

OpenTofuTerragruntGCP (GKE, GCE, Cloud SQL, Cloud NAT, Cloud IAP, Google KMS)

GCP Multi-Cloud Infrastructure with OpenTofu + Terragrunt

Infrastructure Architecture + IaC

End-to-end GCP infrastructure provisioning using OpenTofu and Terragrunt — multi-VPC topology, multi-cluster GKE, Workload Identity, site-to-site VPN, and zero-public-IP access via Cloud IAP.

January 1, 2025

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Proxmox VECephKubernetes

Bare-Metal HCI & GitOps Platform

Infrastructure + DevSecOps

Hyper-Converged Infrastructure built on Proxmox VE and Ceph, running self-managed Kubernetes clusters with GitOps delivery via ArgoCD — replacing costly cloud VMs while maintaining production-grade reliability.

January 1, 2024

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AWS EKSEC2 (ARM / Graviton)Amazon RDS (PostgreSQL)

AWS EKS Production Infrastructure (ARM / Graviton)

Cloud Infrastructure

Production-grade AWS infrastructure in the Singapore region using EKS with ARM-based EC2 Graviton instances, RDS/PostgreSQL, and S3 — optimized for cost-to-performance ratio.

October 1, 2023

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Golang (Gin)Next.jsELK Stack

GMCO Annual Concert Ticketing Platform

Full-Stack Developer

Full-stack ticketing website for the Gadjah Mada Chamber Orchestra annual concert, built with Golang (Gin) and Next.js, with an ELK monitoring stack and CI/CD via GitHub Actions on BiznetGio Cloud.

June 1, 2023

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