Insights & Tutorials

We share what we learn — from architecture decisions to industry trends.

Architecture

Why We Switched From REST to GraphQL for Our SaaS Architecture

We migrated our core SaaS APIs from REST to GraphQL. Here's what changed, what broke, and why we'd do it again.

Lancecube StudioMarch 10, 20268 min read

Tutorial

Building a Flutter App That Works Offline — A Complete Guide

Offline-first isn't just a buzzword. We walk through caching, sync conflicts, and architecture decisions in a real Flutter app.

Lancecube StudioMarch 4, 202612 min read

Cloud

How We Cut AWS Costs by 42% Using Spot Instances and Terraform

A practical breakdown of our cost-optimization playbook across EC2, RDS, and ECS, using Terraform to keep it repeatable.

Lancecube StudioFebruary 26, 20266 min read

AI

The State of AI Integration in 2026 — What Actually Works

Not every product needs an LLM. We share patterns that actually deliver value—and the ones that don't.

Lancecube StudioFebruary 18, 20267 min read

Frontend

React Server Components vs Client Components — When to Use What

RSCs change how we think about data fetching and UI. We break down when to reach for each model in real projects.

Lancecube StudioFebruary 10, 20265 min read