Remote Debugging with Byebug, Rails and Pow
Byebug is a simple to use, feature rich debugger for Ruby 2.x. In this post, we'll discuss how to set up remote debugging with byebug so that you can debug code running in Pow, Unicorn or other application servers. If you haven't seen byebug before, I recommend that you check it out. It's a great debugger for Ruby 2.x. In the words of its authors: Byebug is a simple to use, feature rich debugger f
How unicorn talks to nginx - an introduction to unix sockets in Ruby
In this post we start out with the basics of unix sockets and finish by creating our own simple Ruby application server which can be proxied by nginx. Ruby application servers are typically used together with a web server like nginx. When user requests a page from your Rails app, nginx delegates the request to the application server. But how exactly does that work? How does nginx talk with unicorn
The Rubyist's Guide to Environment Variables
If you want to be able to effectively manage web apps in development and in production, you have to understand environment variables. This post will show you how environment variables really work - and perhaps more importantly, how they DON'T work. We'll also explore some of the most common ways to manage environment variables in your Rails apps. If you want to be able to effectively manage web ap
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