YAML anchors allow a basic level of reorganization and DRY within your file, not unlike functions in code. I'm sure that some people will scoff and point to an

YAML anchors allow a basic level of reorganization and DRY within your file, not unlike functions in code. I'm sure that some people will scoff and point to anchors as exactly the kind of complexity a configuration format shouldn't have. But I've personally found them extremely useful and straightforward.