A description of the custom error information written to logs when your app experiences an error.| devcenter.heroku.com
A guide to using Puma on Heroku. Puma uses threads, in addition to worker processes, to make more use of a systems available CPU.| devcenter.heroku.com
Your app is slow. It does not spark joy. This post will use memory allocation profiling tools to discover performance hotspots, even when they're coming...| blog.heroku.com