Learning Continuous Integration with TeamCity

Currently, our three build configurations are not linked except for the fact that they use the same repository.

functional-tests build configuration here was set to run the Selenium-based tests with the assumption that a display is available to the user used to run the agent. This is not the case in most CI setups as the agents will be running in headless mode.

One strategy is to use a virtual display server, such as X virtual frame buffer (Xvfb). Xvfb makes it possible for agents that do not have a display to run apps that do require an X server to function correctly.

Heroku is a cloud application platform with the ability to easily deploy and host web applications written using various languages and frameworks, including Rails and Django.

former works for simple commands and the latter is for complicated commands