{
  "id": "cks-immutable-secret",
  "title": "Immutable Secrets",
  "category": "Cluster Security",
  "difficulty": "Easy",
  "type": "task",
  "weight": 3,
  "description": "## Immutable Resources\n\nMarking a Secret or ConfigMap as immutable protects it from accidental or malicious modifications, and also improves the performance of the kube-apiserver by significantly decreasing load.\n\n**Your task:**\n\nCreate a Secret named `db-creds` with the key `password` and value `super-secret`. Make this secret **immutable**.\n\n```bash\n# Verify immutability:\nkubectl get secret db-creds -o yaml\n```",
  "hints": [
    {
      "title": "immutable: true",
      "body": "Set `immutable: true` at the root level of the Secret manifest.",
      "command": "cat <<EOF | kubectl apply -f -\napiVersion: v1\nkind: Secret\nmetadata:\n  name: db-creds\nimmutable: true\nstringData:\n  password: super-secret\nEOF"
    }
  ],
  "setup_commands": [],
  "validation": {
    "commands": [
      {
        "description": "Secret db-creds exists and is immutable",
        "command": "kubectl get secret db-creds -o jsonpath='{.immutable}'",
        "expected_output": "true",
        "match": "exact"
      }
    ]
  },
  "default_namespace": "default",
  "teardown_commands": [
    {
      "command": "kubectl delete secret db-creds --ignore-not-found"
    }
  ]
}
