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Warming up the Puma master before it forks
How we cut Basecamp 5’s post-deploy request queues by running signed-in requests through the Rails app in the Puma master, before it forks its workers.
Introducing Upright: An Open Source Synthetic Monitoring System
We’re open-sourcing Upright, the synthetic monitoring system we built to watch over Basecamp, HEY, Fizzy and our many other services.
Prometheus metrics with Rails and Kamal
How we use Prometheus metrics with Rails and Kamal.
Mission Control — Web
Deny requests to your Rails app.