Downloading eighty packages on every push is thirty seconds of every build, and the fix is a cache keyed on the thing that determines the contents. Caching the…
Caching a package manager’s downloads in a layer bloats the image and is invalidated by anything above it. A cache mount lives outside the image entirely. The syntax…
A monorepo pipeline that runs every job on every push spends most of its minutes proving that unchanged code still works. The required-check interaction is the part that…
Full-fidelity tracing on a busy service is a considerable volume of data and a considerable bill, and almost all of it describes requests that were fine. Head-based sampling…
Every PHP request opens its own database connection, so a hundred concurrent requests is a hundred connections — and there is no pool because there is no process…
The syntax looks like a function call and is a language feature, and a bundler recognises it as a split point with no configuration at all. The chunk-load…
A service injected into a controller is constructed on every request that hits it, including the requests that never call it — and for an expensive constructor that…
OCSP stapling saves the client a round trip to the certificate authority, and the configuration is completely inert without one extra line that nothing warns about. nginx needs…