YAML cheat sheet

Keep YAML sequences and mapping syntax handy with this cheat sheet.

YAML is a simple but robust data serialization language. It achieves high flexibility with just two data structures: sequences (a list) and mappings (key and value pairs). If you're finding yourself working with YAML often, download our YAML cheat sheet to help you visualize the basic data structures and their combinations and to help you remember some of the extra syntactical conventions available to you. With a little bit of practice, you'll find YAML really is as easy as it looks!