Field Notes

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Deep dives into distributed systems, real-time media, and infrastructure I run in production and at home.

Practical write-ups from homelab operations, platform architecture work, and hardware/software builds, with enough detail to reproduce the setup.

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FeaturedMay 30, 20266 min readCloudflare API to Prometheus

Cloudflare API to Prometheus: Architecture and Metric Semantics

Part 1 of this series: how Cloudflare analytics flows into Prometheus, why the metrics are modeled as windowed gauges, and how to avoid interpretation mistakes in Grafana.

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Multi-part write-ups grouped by topic and project

Series4 parts

Cloudflare API to Prometheus

Part 4 of this series: how I use Grafana to overlap Cloudflare requests and unique visitors with custom metrics to detect meaningful impact faster.

Part 1 Part 2 Part 3 Part 4

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Series2 parts

FusionFlow

SDP, ICE, TURN, signaling design, and what actually breaks once real networks enter the picture.

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Series2 parts

Running K3s at Home

Part 2: why storage, not CPU, became the real constraint in my home K3s cluster.

Part 1 Part 2

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Newest posts across platform, infrastructure, and lab topics

May 30, 20265 minCloudflare API to Prometheus

Cloudflare API to Prometheus: Grafana Overlap Analysis

Part 4 of this series: how I use Grafana to overlap Cloudflare requests and unique visitors with custom metrics to detect meaningful impact faster.

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May 30, 20265 minCloudflare API to Prometheus

Cloudflare API to Prometheus: Kubernetes and Scrape Wiring

Part 3 of this series: how I wired the Cloudflare exporter into Kubernetes and Prometheus in a way that stays maintainable under real operational pressure.

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May 30, 20264 minCloudflare API to Prometheus

Cloudflare API to Prometheus: Making the Exporter Reliable

Part 2 of this series: how I made Cloudflare metric ingestion reliable with delayed collection, stable buckets, local cache, replay, and backfill workflows.

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May 3, 20263 min

How I Hide My Screen Instantly When Working in Public

A simple way to protect your screen in public without breaking your workflow.

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Feb 24, 20265 min

I Built a Smart Thermostat Because I Was Cold at 3AM

A DIY ESPHome smart thermostat that started with a cold winter night and has now been running reliably in my house for four years.

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Feb 23, 20265 min

My Keyboard Broke So I Designed One From Scratch (And It Escalated)

What started as replacing a broken keyboard turned into a custom PCB, dual microcontroller architecture with RP2040 + nRF52, Bluetooth integration over serial, and a fully 3D printed case.

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