https://dario.kaufmann.dev/ Notes on infrastructure, self-hosting, and running small software for a long time. en-us Sun, 30 Aug 2026 09:05:00 +0000 https://dario.kaufmann.dev/blog/faking-signal-in-noisy-metrics https://dario.kaufmann.dev/blog/faking-signal-in-noisy-metrics Sun, 30 Aug 2026 09:05:00 +0000 Our dashboards were confidently wrong. On turning one vibe metric into three boring ones. https://dario.kaufmann.dev/blog/three-weeks-of-maintaining https://dario.kaufmann.dev/blog/three-weeks-of-maintaining Sun, 19 Jul 2026 10:35:00 +0000 What I actually did for three weeks of open-source maintenance. Spoiler: mostly reading. https://dario.kaufmann.dev/blog/cron-scheduling-gotchas https://dario.kaufmann.dev/blog/cron-scheduling-gotchas Tue, 02 Jun 2026 11:25:00 +0000 DST skips, repeated hours, and the quiet migration path that keeps cron from lying to you. https://dario.kaufmann.dev/blog/boring-review-checklist https://dario.kaufmann.dev/blog/boring-review-checklist Tue, 12 May 2026 10:10:00 +0000 The ten questions I ask about every diff before I have an opinion about anything else. https://dario.kaufmann.dev/blog/broken-perf-comparison https://dario.kaufmann.dev/blog/broken-perf-comparison Tue, 07 Apr 2026 09:00:00 +0000 A 4.3× speedup that evaporated. How the benchmark lied, and the checks I run now. https://dario.kaufmann.dev/blog/why-i-left-docker-compose https://dario.kaufmann.dev/blog/why-i-left-docker-compose Sat, 14 Feb 2026 11:40:00 +0000 Compose is excellent for development. Here is the checklist I use before trusting it in production. https://dario.kaufmann.dev/blog/first-five-years https://dario.kaufmann.dev/blog/first-five-years Sun, 04 Jan 2026 10:20:00 +0000 Why most infrastructure blogs die after year two, and what it takes to keep writing after that.