Debugging Docker Doesn't crash on my machine - when debugging Passenger turns into debugging Docker through pair programming.
Running Chrome Headless, Selenium and Capybara inside GitLab CI and Docker Selenium + Chrome Headless fail with mysterious errors when run in GitLab CI and Docker. Here's why, and also how we fixed it.
ActionCable under stress: fixing data corruption, socket leak issues in Rails 5 During performance testing of the Rails 5.0.0 release we discovered two bugs in Rails. One data corruption bug that occurs when two threads transmit on the same channel, and another bug causing socket leaks that could ev
Tutorial: debugging Node.js apps on Passenger Passenger is compatible with Node.js debugging tools such as the builtin Node.js debugger and node-inspector. The builtin Node.js debugger is a simple terminal-based debugger that accepts terminal commands, while node-in