The secret is to not manually edit YAML, ever. It's the "make break glass situation little easier" option, not the main mechanism. Use a programming language,

The secret is to not manually edit YAML, ever. It's the "make break glass situation little easier" option, not the main mechanism. Use a programming language, a dedicated DSL, hell a custom process involving CI/CD that generates json manifests. A bit of time with jsonnet gets you a template that people who never wrote jsonnet (and barely ever touched k8s manifests) can use to setup new applications or modify existing ones in moments.