This practical guide shows how to use spatie/laravel-health together with Oh Dear to detect vulnerable Composer dependencies in production and get alerted quickly. It also shows how adding composer audit in CI gives you an extra early warning layer.
PHP
Laravel Deadlocks: Queue Jobs That Already Ran End Up in failed_jobs
Below MySQL 8.0.1, or on a server Laravel misreads, workers reserve jobs with a plain FOR UPDATE and can deadlock on the DELETE. One tinker line shows which lock yours use. Read more