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SaaS Recurring Billing in Indonesia: Midtrans and Xendit

Backend

April 20268 min read

SaaS Recurring Billing in Indonesia: Midtrans and Xendit

How to build recurring SaaS billing in Indonesia with Midtrans, Xendit, and QRIS when most customers do not pay by card.

Vertical SaaS for Indonesian Clinics and Salons

Product

April 20268 min read

Vertical SaaS for Indonesian Clinics and Salons

Why vertical SaaS beats horizontal tools for Indonesia's underserved clinics and salons, and how to build a booking plus CRM app for them.

Warung Inventory Micro-SaaS: Offline-First for Indonesia

Product

April 20268 min read

Warung Inventory Micro-SaaS: Offline-First for Indonesia

A practical blueprint for building a dead-simple, offline-first inventory app that Indonesian warung owners will actually use and pay for.

WhatsApp Invoice Reminder SaaS: Build It for Indonesia

Backend

April 20268 min read

WhatsApp Invoice Reminder SaaS: Build It for Indonesia

How to build a WhatsApp-first micro-SaaS that sends invoices and chases overdue payments for Indonesian small businesses.

Docker Compose Watch: Instant Feedback for Local Container Dev

DevOps

April 20268 min read

Docker Compose Watch: Instant Feedback for Local Container Dev

Docker Compose Watch syncs code into running containers in milliseconds. Here is how I replaced messy bind mounts with sync, rebuild, and sync+restart rules.

Caddy vs Nginx for Automatic HTTPS: When Each One Wins

DevOps

April 20269 min read

Caddy vs Nginx for Automatic HTTPS: When Each One Wins

Caddy gives you automatic HTTPS in two lines; Nginx plus certbot gives you control and raw ecosystem depth. Here is how I decide between them per VPS.

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