·16 min read
ArgoCD GitOps Multi-Cluster Deployment Patterns
Master multi-cluster GitOps using ArgoCD ApplicationSets, Hub-and-Spoke cluster architecture, sync waves, and environment value overlays.
Technical Writings
In-depth systems architecture, distributed database benchmarks, and production engineering postmortems.
Top Topics
328Showing 211–220 of 310 articles
·16 min read
Claude API Function Calling: JSON Schema Optimization Guide
Optimize Anthropic Claude API tool calling using Pydantic v2, schema minification, prompt caching, and strict output validation for high reliability.
·14 min read
Microservices Contract Testing with Pact & Node.js
Consumer-driven contract testing with Pact in Node.js microservices. Configure Pact Broker, provider state verification, and can-i-deploy in CI/CD.
·15 min read
Custom React Hook Performance Patterns (2026)
Eliminate unnecessary re-renders with stable ref caching, batched event listeners, memoized selectors, and React Profiler-guided hook optimization. Copy-paste patterns for production React 18/19 apps.
·16 min read
Docker BuildKit Cache Mounts: Python uv, Go & Node.js Guide (2026)
Accelerate Docker builds using BuildKit cache mounts (--mount=type=cache) and multi-stage targets. Production recipes for Python Astral uv, Go, and Node.js.
·9 min read
FastAPI Docker Multistage Builds: Cut Your Image Size by 70%
Stop shipping compilers to production. How to use Docker multistage builds with uv and BuildKit caching for FastAPI - from 1.2 GB to under 100 MB, with fast CI rebuilds.
·19 min read
FastAPI vs Litestar (2026): Performance Benchmarks & When to Switch
FastAPI vs Litestar (2026): deep benchmarks comparing RPS throughput (28,500 vs 14,200), p99 latency, dependency injection, and Pydantic v2 performance. Includes Litestar vs FastAPI use-case decision guide.
·15 min read
Fine-Tuning Llama 3 with LoRA and Unsloth: Developer Guide
Step-by-step developer guide for fine-tuning Llama 3 with LoRA, QLoRA, and Unsloth: custom Triton GPU kernels, gradient checkpointing, and memory saving.
·16 min read
GitHub Actions Self-Hosted Runner Security Hardening (2026)
Harden self-hosted GitHub Actions runners: Actions Runner Controller (ARC) on Kubernetes, network isolation, rootless container sandboxing, OIDC short-lived tokens, and audit log monitoring.
·15 min read
k6 Grafana Distributed Load Testing & performance Profiling
I used to think my APIs were fast until we got hit with a traffic spike. Here is how I set up distributed load testing with k6, Grafana, and Prometheus to find bottlenecks before they crash production.
Showing 211-220 of 310 posts