The work behind
the websites.
Decision records, operational runbooks, and architecture from building secure, self-hosted platforms. The engineering proof behind the sites I ship for clients.
Recent
All notesShipping Markdown on Workers Without Parsing at Runtime
How this site's markdown pipeline moved from per-request parsing inside a Cloudflare Worker to build-time compilation with a Vite plugin, and what it bought.
Seven Demo Sites, Zero Shared Template
How the demo showcase on valkyrienexus.com keeps seven fictional businesses from looking like one layout with seven coats of paint: design from the emotional job, one signature moment each, identical engineering underneath.
The Turnstile Widget That Never Renders
Why a Cloudflare Turnstile widget inside a multi-step form silently fails verification, and the explicit-render pattern that fixed the valkyrienexus.com booking form.
The Missing SPF Record That's Supposed to Be Missing
Why sales@ mail was landing in Outlook junk, the three sender profiles I standardized across every domain, and why a 'missing root SPF' finding on a Resend domain is correct.
Email Authentication: SPF, DKIM, DMARC Rollout
Step-by-step SPF/DKIM/DMARC rollout for a domain: pick the correct sender profile, publish the records, authorize cross-domain DMARC reporting, climb the policy ladder, and confirm pass results in a real Outlook inbox.
Browse
Notes
Short posts covering decisions, lessons learned, and observations from building and operating infrastructure.
BrowseRunbooks
Step-by-step operational procedures, written so they can be followed under pressure at 2 AM.
BrowseArchitecture
Decision records, system diagrams, trust boundary analysis, and design rationale for platform infrastructure.
BrowseOpen Source
Public repositories, tools, and utilities. Infrastructure automation, security tooling, and developer productivity.
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