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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)

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

DevOps

June 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.

Building an HR Leave Approval Flow in a Custom ERP

ERP

June 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.

Accounts Payable Multi-Level Approval Workflow in NestJS

ERP

June 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.

ERP Invoice PDF Generation: Puppeteer + Handlebars in NestJS

ERP

June 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.

ERP Email Automation: Triggering Transactional Emails from Business Events

ERP

June 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.

Why ERP Implementations Fail in Indonesian Businesses — And How to Avoid It

ERP

June 202510 min read

Why ERP Implementations Fail in Indonesian Businesses — And How to Avoid It

An honest look at the most common ERP failure patterns in Indonesian SMEs — poor change management, under-resourcing, and customization creep — with practical advice to prevent them.

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