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Writing

AI agents in production, the infrastructure under them, and what actually breaks. One post a week.

Browse by topic

A multi-tenant uptime monitor on one Cloudflare Worker (D1 + Cron)
2026-08-04 · 5 min read · case study · cloudflare · serverless · blip
RAG is an authorization problem: filter before you retrieve
2026-07-07 · 7 min read · ai · rag · security · architecture · design
When a fine-tuned classifier beats an LLM prompt for intent routing
2026-06-09 · 5 min read · ai · machine learning · architecture · research
Running a 27B local LLM on hardware I already owned: 2.89 tokens/sec
2026-04-21 · 5 min read · case study · local llm · ollama · homelab · ai
Stitching video frames into one under-vehicle image with OpenCV
2026-03-24 · 5 min read · case study · computer vision · opencv · ffmpeg
The upload succeeded, the processing didn't: async ingestion design
2026-02-17 · 6 min read · architecture · backend · queues · postgres · elasticsearch
Microsoft Graph /me returns nothing: delegated vs app-only tokens
2026-01-20 · 6 min read · oauth · microsoft graph · security · integrations
ENOSPC with 107 GB free: thin provisioning lies to df
2025-11-04 · 7 min read · storage · debugging · proxmox · docker
413 on upload: every layer in the request path has its own limit
2025-10-07 · 5 min read · debugging · nginx · kubernetes · wordpress · nextjs
It built fine and still crashed: Docker file ownership vs runtime user
2025-09-02 · 5 min read · docker · kubernetes · containers · debugging
Docker "failed to resolve reference": read the error inside out
2025-07-08 · 4 min read · debugging · docker · dns · linux
Cloudflare Tunnel connected but not working: what the status hides
2025-04-15 · 5 min read · networking · debugging · cloudflare · tailscale
Deploying behind NAT: CI/CD to a private server with no open SSH port
2025-01-14 · 6 min read · case study · ci-cd · tailscale · docker · cloudflare
Three ISPs, four routers, one MikroTik: rebuilding a homelab network
2024-10-08 · 5 min read · case study · networking · mikrotik · homelab
This site has no server, and that is the same decision that keeps my agents up
2024-07-16 · 6 min read · meta · cloudflare · architecture
A map of everything I run, so the rest of these posts make sense
2024-06-25 · 4 min read · meta · homelab · cloudflare · proxmox
Why I write about what breaks, not what shipped
2024-06-11 · 4 min read · meta

Writing

Browse by topic

A multi-tenant uptime monitor on one Cloudflare Worker (D1 + Cron)

RAG is an authorization problem: filter before you retrieve

When a fine-tuned classifier beats an LLM prompt for intent routing

Running a 27B local LLM on hardware I already owned: 2.89 tokens/sec

Stitching video frames into one under-vehicle image with OpenCV

The upload succeeded, the processing didn't: async ingestion design

Microsoft Graph /me returns nothing: delegated vs app-only tokens

ENOSPC with 107 GB free: thin provisioning lies to df

413 on upload: every layer in the request path has its own limit

It built fine and still crashed: Docker file ownership vs runtime user

Docker "failed to resolve reference": read the error inside out

Cloudflare Tunnel connected but not working: what the status hides

Deploying behind NAT: CI/CD to a private server with no open SSH port

Three ISPs, four routers, one MikroTik: rebuilding a homelab network

This site has no server, and that is the same decision that keeps my agents up

A map of everything I run, so the rest of these posts make sense

Why I write about what breaks, not what shipped