Blog

Thoughts & Stories

Sharing my experiences, learnings, and adventures in tech and beyond.

Browse by Topic

DevOps & Cloud Infrastructure (116)Web Development (78)ERP Systems (66)Backend & APIs (50)AI & LLMs (45)Career Reflections (22)Software Development (19)Security (14)Product & SaaS (6)Cloud (5)AI / Machine Learning (5)University (1)Hackathons (1)

Platform Engineering and Internal Developer Platforms: Building the Paved Road for Your Team

DevOps

April 202611 min read

Platform Engineering and Internal Developer Platforms: Building the Paved Road for Your Team

A comprehensive guide to building an Internal Developer Platform (IDP) using Backstage, golden path templates, and DORA metrics. Learn how platform teams reduce cognitive load for developers, improve deployment frequency, and implement Team Topologies principles in practice.

Building Production RAG LLM Applications: Architecture, Chunking, and Evaluation

AI/ML

March 202612 min read

Building Production RAG LLM Applications: Architecture, Chunking, and Evaluation

A practical guide to architecting production-grade Retrieval-Augmented Generation systems using LangChain, pgvector, and RAGAS evaluation metrics. Covers chunking strategies, vector store setup, retrieval optimization, and how to measure answer quality in real deployments.

k3s Lightweight Kubernetes for Indonesian Startups: Production Setup on Budget VPS

DevOps

March 202610 min read

k3s Lightweight Kubernetes for Indonesian Startups: Production Setup on Budget VPS

A practical guide to deploying a production k3s Kubernetes cluster on affordable Indonesian VPS providers, covering installation, storage with Longhorn, TLS ingress, and cost-optimized high availability for teams running on Rp 200k–600k/month per node.

FinOps for Indonesian Cloud Teams: A Practical Cost Optimization Guide

DevOps

February 20269 min read

FinOps for Indonesian Cloud Teams: A Practical Cost Optimization Guide

Indonesian companies are hemorrhaging cloud spend on over-provisioned instances, forgotten dev environments, and unattached EBS volumes. This guide applies the FinOps Framework's Inform-Optimize-Operate cycle with practical AWS CLI scripts, Python cost anomaly detection, and Reserved Instance strategies tailored to Indonesian cloud usage patterns.

Odoo ERP Custom Module Development: A Developer's Guide for Indonesian Business Workflows

ERP

February 202611 min read

Odoo ERP Custom Module Development: A Developer's Guide for Indonesian Business Workflows

Learn how to build production-ready Odoo custom modules from scratch, tailored for Indonesian business requirements like NPWP validation and multi-level purchase approval chains for PT companies. This guide covers ORM basics, model inheritance, XML views, and secure module packaging.

UU PDP No. 27/2022: The Developer's Compliance Guide for Indonesia's Data Protection Law

Security

January 202610 min read

UU PDP No. 27/2022: The Developer's Compliance Guide for Indonesia's Data Protection Law

Indonesia's Personal Data Protection Law (UU PDP No. 27/2022) became fully enforceable in October 2024, with penalties up to Rp 20 billion. This guide translates UU PDP's five core obligations into concrete engineering practices: pseudonymization, PostgreSQL RLS, audit logging, and data subject request APIs.

Showing 217–222 of 428 posts

Explore More

Projects

See the projects I've built

Experience

My professional career

Certifications

Professional certifications