Following the previous article where you’ve installed TeamCity, you can now say that you have a Continuous Integration Server. But it doesn’t do much without an Agent or a Build Configuration.
What is this? A Build Configuration is a list of steps that will be executed. Think about merging all less files and compact all the files into a single minified .css file. Another step from the same configuration could be uglify Javascript files (or, following the same logic of the first step, parse CoffeeScript into Javascript).