Get started by reviewing commented sample files, learning about the components of config, and using specific tutorials for your platform.

Commented Examples Tutorials
Commented sample config.yml files that use workflows with multiple executors and database configuration examples. Use the tutorials to get a walkthrough of config for your language or platform with a demonstration app you can clone.

iOS Example Links to Public Config Examples
Get an introduction to setting up automated testing for your iOS app.      Take a look at example open source projects that use CircleCI features for their builds.