PowerShell-FeatureFlags/examples/features.json

{
  "stages": {
    "test": [
      {"allowlist": ["test.*", "dev.*"]}
    ],
    "canary": [
      {"allowlist": ["prod-canary"]}
    ],
    "prod": [
      {"allowlist": ["prod.*"]},
      {"denylist": ["prod-canary"]}
    ]
  },
  "features": {
    "experimental-feature": {
      "stages": ["test"]
    },
    "well-tested-feature": {
      "stages": ["test", "canary", "prod"]
    }
  }
}