You add one new configuration flag. Now you have to touch 23 template files to thread it through every layer. You spend 40 minutes on plumbing. You wonder if a monolithic script would have been simpler.

Azure DevOps YAML templates were designed for reuse, but the naive implementation pattern — …

You have a deploymentList parameter. Each deployment needs a different Azure environment name, approval group, and service connection. The schema won’t let you add custom properties to a deployment definition. The parallel-array workaround you wrote last month is already out of sync with the …