RackAttack is a popular Ruby gem that provides middleware for your web applications to protect against various types of attacks, such as DDoS attacks, brute force attacks, and other malicious activities.

jemalloc is a malloc implementation developed by Jason Evans which is known to improve memory consumption of Rails apps, especially on Heroku. By default Ruby uses malloc from C to manage memory but it can run into memory fragmentation issues.

Docker is an open-source project that can simplify your workflow during development process, everything the application needs to run is included.

In this article we will cover the integration between EmberJS and Active Storage the new major feature released with Rails 5.

In this post, we'll explain the integration between ember.js and actioncable through a simple example app: a very basic chat where people can pick a username and start posting to a public chatroom.

Ember.js is a client-side framework that aims at single-page applications. It has several tools to abstract the most common patterns. In this article you’ll see how to set up Ember in a Ruby on Rails app, with testing support using QUnit.