Postgres 18 Zero-Downtime Upgrade: pg_createsubscriber 2026
May 13, 2026
Upgrade Postgres 17 to 18.3 with zero downtime using pg_createsubscriber and logical replication. Docker walkthrough with sequences, cutover, rollback.
#architecture
Production Postgres Pooling: PgBouncer + Supavisor 2026
May 7, 2026
Hands-on 2026 guide: PgBouncer 1.25.1 in front of Postgres 18, then swap to Supabase Supavisor — transaction pooling, prepared statements, and pitfalls.
Postgres LISTEN/NOTIFY: Real-Time Presence Tutorial 2026
May 5, 2026
Hands-on 2026 tutorial: build a real-time online-presence system on Postgres 18 LISTEN/NOTIFY with Node.js, Express, and ws — no Redis, no broker, just SQL.
Mastering System Design AI Interviews: A Complete Guide
February 1, 2026
System design AI interviews: architect scalable LLM systems. Latency, data, infra, and the trade-offs hiring managers expect you to articulate in 45 minutes.
Building Full‑Stack AI Apps: From Idea to Production
January 30, 2026
Build full-stack AI apps from idea to production: Next.js + Python, vector DB, auth, streaming, observability, and the deploy path to Vercel or AWS.
Mastering Scalability Pattern Implementation
January 18, 2026
A deep, practical guide to implementing scalability patterns in modern systems — from load balancing and caching to event-driven architectures and beyond.
Mastering API Gateway Patterns: Architecture, Security & Scale
January 15, 2026
Learn how API gateway patterns power modern microservices — with real-world examples, practical code, security insights, and performance trade-offs.
Building Scalable Systems with Low-Code and Saga Patterns
December 31, 2025
Build scalable systems with low-code + Saga patterns: distributed transactions, compensating actions, and the orchestration that keeps microservices consistent.
Building Real-Time Applications: A Complete Developer’s Guide
December 27, 2025
Build real-time apps in 2026: WebSockets, Server-Sent Events, WebRTC. Scaling strategies, reconnection patterns, and when each transport actually wins.
Building Secure and Scalable EdTech Platforms with Microservices, Edge Caching & Kubernetes
November 18, 2025
Dive deep into how modern EdTech platforms use microservices, Kubernetes, and edge caching to scale globally while maintaining security and performance.