Technical Writing & Case Studies

Engineering Notes & Insights

Articles and deep dives on architecting scalable backend systems, high-throughput caching, enterprise commerce, and LLM-powered AI agent pipelines.

Sep 2, 202610 min read

Scalable AWS Architecture Blueprint: Deploying Microservices with ECS Fargate, RDS PostgreSQL, and CloudFront

Architecture reference for deploying enterprise multi-service web applications on AWS: VPC network segmentation, containerized backend services on ECS Fargate, RDS PostgreSQL multi-AZ clusters with connection pooling, and global CDN delivery.

Sep 2, 20268 min read

Bare-Metal & VPS Production Hosting: Scaling Node.js & FastAPI with PM2, Systemd, and Nginx

A field guide to hardening Linux VPS environments, configuring PM2 clustering across CPU cores, managing FastAPI background daemons with Systemd units, and setting up an optimized Nginx reverse proxy with HTTP/2 and Brotli compression.

Sep 2, 20268 min read

Self-Hosting with Coolify on VPS: Zero-Downtime Webhook Deployments for Next.js, Node.js & Python

A comprehensive guide to self-hosting your application stack with Coolify on VPS: configuring automated Git webhook rollouts, Traefik reverse proxy, SSL auto-renewals, and managing Next.js, Node.js, and Python microservices alongside managed PostgreSQL and Redis.

Sep 2, 20269 min read

Production CI/CD with GitHub Actions: Multi-Stage Docker Builds, Layer Caching & Docker Hub Push for FastAPI & Node.js

Step-by-step blueprint for building ultra-fast, minimal production Docker images for FastAPI (Python) and Node.js using multi-stage builds, leveraging GitHub Actions gha cache backend, automated Docker Hub image publishing, and vulnerability auditing with Trivy.

Sep 2, 20267 min read

Architecting Production AI Agent Workflows with FastAPI, Next.js, and LLMs

A comprehensive guide to building resilient, streaming AI agent systems with FastAPI asynchronous workers, structured schema validation, pgvector semantic search, and real-time frontend updates in Next.js.

Sep 2, 20266 min read

Optimizing PostgreSQL & Multi-Tier Redis Caching for 200k+ SKUs: Reducing Latency from ~40s to <6s

How we diagnosed severe enterprise search query bottlenecks using EXPLAIN ANALYZE, restructured composite B-Tree/GIN indexes, and implemented a multi-tier Redis cache invalidation strategy for 200,000+ store-specific SKUs.