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All articles

Every article published on armeltechfun so far.

34 articles

CL
Cloud & DevOps

End-to-End Observability: Distributed Tracing with OpenTelemetry and Prometheus

Instrumenting Next.js, database drivers, and microservices with W3C Trace Context propagation.

Sep 27, 2026·8 min read
FR
Frontend & UI Engineering

Accessible UI Engineering: Focus Trapping, ARIA Live Regions, and WCAG AA

Building fully accessible modal dialogs, comboboxes, and keyboard navigation in modern React.

Sep 27, 2026·8 min read
BA
Backend Engineering

Building Production Search Engines with PostgreSQL tsvector and Trigrams

Fuzzy matching, language stemmers, and ranking without spinning up Elasticsearch clusters.

Sep 27, 2026·8 min read
AP
Applied AI & LLMs

Fine-Tuning vs RAG: A Pragmatic Decision Framework for Custom LLMs

Choosing between parametric weight updates and external knowledge retrieval in enterprise AI architectures.

Sep 27, 2026·8 min read
BA
Backend Engineering

API Paradigms: REST vs GraphQL vs tRPC for Modern TypeScript Stacks

Evaluating developer velocity, client schema compilation, and network caching characteristics.

Sep 27, 2026·8 min read
CL
Cloud & DevOps

Container Orchestration in 2026: When to Choose Kubernetes vs Docker Compose

Pragmatic operational comparison: control plane overhead, declarative manifests, and cluster complexity.

Sep 27, 2026·7 min read
FR
Frontend & UI Engineering

Building armeltechfun: Full-Stack Architecture Decisions and Post-Mortem

Behind-the-scenes insights on Next.js 16 App Router, Payload CMS 3, PostgreSQL, and Cloudflare R2.

Sep 27, 2026·11 min read
SE
Security & Linux

Container Sandboxing and Non-Root User Isolation in Docker

Hardening multi-stage Dockerfiles, dropping Linux capabilities, and preventing container breakout attacks.

Sep 27, 2026·9 min read
SE
Security & Linux

Distributed Rate Limiting with Redis: Token Bucket and Sliding Window Logs

Protecting public APIs against denial-of-service and credential stuffing with sub-millisecond atomic Lua scripts.

Sep 27, 2026·9 min read