Latest Articles
October 1, 2025 Backend Development
Fail-Fast Environment Validation in Elysia.js
Key Points/Decision Snapshot- Problem: Bun auto-loads `.env` but doesn't validate or type values—leading to delayed, production-only crashes.
Read article: Fail-Fast Environment Validation in Elysia.js
September 4, 2025 Architecture & Cost Optimization
Digital Signage Storage: R2 vs S3 vs EC2
Key Points/Decision Snapshot- Use object storage + CDN by default. R2 minimizes surprise bills via zero egress; S3 integrates tightly with CloudFront and AWS tooling.
Read article: Digital Signage Storage: R2 vs S3 vs EC2
September 2, 2025 Realtime & Systems Architecture
Digital Signage Comms 2025: Firebase vs Socket.IO
Decision Snapshot- Socket.IO for low-latency push, full control, and best $/GB (cloud egress rates). Firebase RTDB for managed fan-out and rapid delivery.
Read article: Digital Signage Comms 2025: Firebase vs Socket.IO