YAML is just some data, like JSON or CSV. Ask yourself whether you'd use a third-party JSON templating or CSV templating tool, or whether you'd use your shop's

YAML is just some data, like JSON or CSV. Ask yourself whether you'd use a third-party JSON templating or CSV templating tool, or whether you'd use your shop's language of choice and write a program to spit out the generated data. You can also save yourself a step by just spitting out JSON, which is valid YAML.