Things I build, break, fix, and write about

I keep coming back to Cloudflare Workers VPC because the clever bit is not the binding, it is the return path. Set `remote: true` carelessly and you get traffic that looks fine on paper, then falls...

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Cloudflare Tunnel granular permissions are only worth having if they stay narrow. I prefer read-only access for log streaming, because diagnosis needs eyes on the connector, not a spare key to the...

Cloudflare AI Gateway REST API logging and rate limiting is one of those setups that looks tidy until you test it properly. I spent enough time tripping over the default gateway behaviour to know the...

A Zigbee wall controller is the bit that stops smart bulbs being undone by an ordinary switch. Keep the bulbs powered, let Home Assistant handle the logic, and the room behaves like a system instead...

Kubernetes v1.36 makes gang scheduling less hand-wavy, and the PodGroup scheduling cycle is where the sharp edges show. I like the clarity, but it also means there is nowhere for a bad placement to...

Kubernetes Service externalIPs was always a blunt instrument, and I have seen enough clusters to know blunt tools get misused. The warnings in 1.36 are the polite bit, because once address ownership...

Kubernetes Mixed Version Proxy is one of those fixes that only matters when an upgrade goes sideways, which is exactly when I want it. Aggregated Discovery finally gives older API servers enough sight...

`route_controller_route_sync_total` is one of those rare counters that tells you something useful, if you bother to watch it. I use it to catch route reconciliation that is chewing through cloud API...

etcd 3.7’s RangeStream makes large reads less painful, but it also clears out a lot of old v2 baggage, which is where upgrades tend to go wrong. I like the new read path; I do not trust any release...