A published container port is reachable from the internet regardless of what UFW says, because Docker inserts its rules ahead of the chain UFW manages. Binding to the…
A backfill that saves forty thousand models fires every observer forty thousand times, which usually means forty thousand search index updates and a queue that will not drain…
Compiled templates, container caches and route caches are regenerated on demand and written thousands of times, and every one of those writes goes to disk for no reason.…
dispatch(function () { … }) is convenient and works by serialising the closure with a signature, which has consequences worth knowing before it is used anywhere important. The…
The cheapest API version is the one never created, and that stays achievable for far longer than most teams expect provided every change is additive. The two list…
Setting a thirty-second timeout on an HTTP call feels responsible and is not a limit on anything that matters when the upstream is merely slow rather than down.…
A failing snapshot is regenerated with -u, and after the third time that becomes reflex — at which point the test asserts that the output equals whatever the…
Profiling a slow WordPress page usually starts with guessing which plugin is responsible, and there is a command that answers it directly. Drilling from stage to hook to…