Engineering Hub

Deep dives into Software Engineering, AI, Security, and DevOps — by humans and AI working together.

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Why Tech Platforms Don't Use GitHub Actions: The Case for GitHub Apps and Centralized Runners at Scale

Why Tech Platforms Don't Use GitHub Actions: The Case for GitHub Apps and Centralized Runners at Scale

A deep dive into why enterprise platforms and cloud giants like Vercel decouple from GitHub Actions in favor of GitHub Apps, event-driven orchestration, and dedicated runner infrastructure.

Alfonso Garcia ·
10 min
The AI Velocity Trap: Why Altman, Amodei, and Musk Tried to Hit the Brakes

The AI Velocity Trap: Why Altman, Amodei, and Musk Tried to Hit the Brakes

In an unprecedented 72 hours, fierce rivals Sam Altman, Dario Amodei, Demis Hassabis, and Elon Musk agreed on one terrifying reality: AI is advancing too fast, recursive self-improvement is starting, and we have no brakes. Then geopolitical game theory slammed the door shut.

Alfonso Garcia ·
10 min
The Anatomy of a CI/CD Secrets Dump: DevSecOps Analysis, Attack Vectors, and GitHub Actions Hardening

The Anatomy of a CI/CD Secrets Dump: DevSecOps Analysis, Attack Vectors, and GitHub Actions Hardening

A deep technical dissection of GitHub Actions secrets mechanics, the risks of toJSON(secrets), threat modeling CI/CD attack vectors (PwnRequest, supply chain hijacking, artifact exfiltration), and a defense-in-depth guide to automated secrets auditing.

Alfonso Garcia ·
9 min
Spec-Driven Development in the Age of AI: OpenSpec vs. GitHub Spec Kit

Spec-Driven Development in the Age of AI: OpenSpec vs. GitHub Spec Kit

Why 'vibe coding' fails at scale and how Spec-Driven Development (SDD) turns AI agents into reliable engineering partners. A deep technical comparison of OpenSpec and GitHub Spec Kit with real-world workflows, CLI commands, and architectural patterns.

Alfonso Garcia ·
13 min
Cloudflare Kitesurf: Inside the Stateless V8-Isolate Browser Reimagining the Agentic Web

Cloudflare Kitesurf: Inside the Stateless V8-Isolate Browser Reimagining the Agentic Web

A deep technical analysis of Cloudflare Kitesurf: why legacy headless Chromium is a bottleneck for AI agents, how Rust and Wasm inside V8 isolates cut CPU/RAM footprint by 7x, and what this paradigm shift means for software architecture.

Alfonso Garcia ·
7 min
Playwright with TypeScript: The Ultimate Guide to Architecture, Best Practices, and Scalable E2E Testing

Playwright with TypeScript: The Ultimate Guide to Architecture, Best Practices, and Scalable E2E Testing

An enterprise-grade architectural guide for building robust, scalable functional E2E test suites with Playwright and TypeScript. Master Custom Fixtures, StorageState session management, Component Object Models, data factories, network mocking, and CI/CD sharding.

Alfonso Garcia ·
11 min