Blog
Infrastructure deep dives, AI workflow architecture, and project updates from building xsubi.
Infrastructure
Launching xsubi: Why I Built My Own Cloud
The story behind xsubi.com — why I chose bare metal over AWS, and what it means to own your infrastructure from rack to runtime.
Engineering
xsubi Architecture: Blazor, FastAPI, Bare Metal
A deep dive into xsubi's three-layer architecture — from the Blazor customer portal through FastAPI host agents to bare-metal hypervisors.
AI & Development
Building at 25x: AI-Augmented Development Workflow
How xsubi uses AI model routing — Opus for architecture, Sonnet for implementation — to achieve 25x individual developer throughput.
Infrastructure
Dell PowerEdge R720s: Enterprise Hardware for Home Cloud
Why decommissioned enterprise servers are the best foundation for a self-hosted cloud — specs, economics, and lessons learned.