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Thoughts & Stories

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

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DevOps & Cloud Infrastructure (146)AI & LLMs (130)Backend & APIs (100)Web Development (81)ERP Systems (74)Software Development (58)Security (30)Career Reflections (28)Cloud (21)Product & SaaS (12)AI / Machine Learning (5)University (1)Hackathons (1)

DevOpsJune 20259 min read

The Docker Workflow I Use on Every Project

A practical, battle-tested Docker setup using multi-stage builds and Compose that I apply to every NestJS and Next.js project from day one.

DevOpsJune 202510 min read

Google Cloud Managed Services vs Raw Compute: When to Use Which

A practical decision framework for choosing between Cloud Run, GKE, Cloud SQL, and raw Compute Engine VMs—based on real workloads rather than marketing copy.

ERPJune 20258 min read

Building an HR Leave Approval Flow in a Custom ERP

How I designed and built a transactional leave approval system from scratch using NestJS, PostgreSQL, and TypeORM—without Odoo or any off-the-shelf HR platform.

ERPJune 202510 min read

Accounts Payable Multi-Level Approval Workflow in NestJS

How I built a configurable, amount-based multi-level AP approval system with NestJS and PostgreSQL—from schema design to the approval chain algorithm.

ERPJune 20259 min read

ERP Invoice PDF Generation: Puppeteer + Handlebars in NestJS

A complete walkthrough of building invoice PDF export in a custom ERP system using Puppeteer, Handlebars templates, and NestJS—with Indonesian Rupiah formatting and PPN tax calculation.

ERPJune 20258 min read

ERP Email Automation: Triggering Transactional Emails from Business Events

How I built a reliable, queue-backed email automation layer for our custom ERP using NestJS EventEmitter2, BullMQ, and Nodemailer—with Handlebars templates and retry logic.

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