Sensor Offline alerts while traveling, twice
A safety app I run pinged me every hour with
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Use the Tailscale brew formula, not the cask
Quick note to past me: when installing Tailscale on a headless Mac, brew install tailscale (the formula). Not brew install --cask tailscale-app.
Read →Plaid to DynamoDB with read-time categorization
I wanted a personal-finance dashboard that I owned end-to-end. Plaid on one end, DynamoDB on the other, one Lambda in between, and categorization rules…
Read →A tiny SSO provider for personal subdomains
I run a handful of small web apps on subdomains — a finances dashboard, a map, a CV, a blog admin. Each had its own login. Each login was the same login…
Read →One Lambda serving a résumé and a blog, routed by Host header
I had a static résumé at one subdomain and wanted a blog at another. Two Lambdas felt absurd for what is functionally two HTML generators. So I put both…
Read →A personal location heatmap on cheap Lambda infrastructure
I had years of GPS pings in a database from a side project. I wanted to look at where I'd actually been on a map — heatmap of every ping, markers for the…
Read →Shipping 14 tiny iOS utilities in a batch
I shipped 14 small iOS utilities to App Store Connect in a batch. Subnet calculators, a WoL remote, a JSON pretty viewer, a regex tester, a ping monitor…
Read →FreezeGuard: a Windows UWF agent shipped as a service
I shipped a small side-project that wraps Windows' Unified Write Filter (UWF) — the feature that lets you
Read →An inventory app for a family craft business
A family member runs a craft-supply brand and needed a product inventory catalog. I built one weekend project: a public catalog page, an admin page, and…
Read →Making bootable Windows 98 floppies from a modern Mac
I wanted to install Windows 98 SE on a period-correct Pentium III without going through the usual ISO-to-USB workaround. That meant making the actual…
Read →The Google Drive S3 Round-About
Chester Frazier — automation engineer, builder, writer. Personal archive: essays, apps, photographs, music, and a working résumé.
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