Using Nginx.

‘The unix process model is a powerful way to approach running your web app. Procfile gives us a way to declare process types, and Foreman gives us an easy way to run the app’s processes in both development and deployment environments.’

‘A collection of useful middleware for exposing information about deployed Rack applications.’

‘The Chaos Monkey’s job is to randomly kill instances and services within our architecture. If we aren’t constantly testing our ability to succeed despite failure, then it isn’t likely to work when it matters most’.

No need for PuppetMaster.

‘Extra Packages for Enterprise Linux (EPEL) is a volunteer-based community effort from the Fedora project to create a repository of high-quality add-on packages for Red Hat Enterprise (RHEL) and its compatible spinoffs such as CentOS or Scientific Linux.’

‘straightforward, Heroku-style, push-based deployment’.

‘OurDelta produces enhanced builds for MySQL 5.0 and builds for MariaDB 5.1, on common production platforms.’

‘Before launching the given command, it insures that another instance of the same command is not already running.’

‘[A]ims to be a quick and easy way to go from a box with only an ssh connection to a box that contains everything that you’ve ordered off the menu (as defined by your cookbooks and dna.rb)’

Ubuntu and Debian AMIs for Amazon EC2

Seems really useful.