{
  "id": "namespaces-basics",
  "title": "Working with Namespaces",
  "category": "Core Concepts",
  "difficulty": "Easy",
  "type": "task",
  "weight": 4,
  "description": "## Working with Namespaces\n\nNamespaces provide a mechanism for isolating groups of resources within a single cluster.\n\n**Your task:**\n\n1. Create a namespace called `team-alpha`\n2. Deploy a `nginx:alpine` Deployment named `web` with **2 replicas** inside the `team-alpha` namespace\n\n**Verify your work:**\n```bash\nkubectl get namespace team-alpha\nkubectl get deployment web -n team-alpha\n```",
  "hints": [
    {
      "title": "Create a namespace",
      "body": "Use `kubectl create namespace <name>` to create a new namespace.",
      "command": "kubectl create namespace team-alpha"
    },
    {
      "title": "Deploy into a specific namespace",
      "body": "Use the `-n` or `--namespace` flag with `kubectl create deployment`. Alternatively use `kubectl apply -f` with `namespace` set in the manifest metadata.",
      "command": "kubectl create deployment web --image=nginx:alpine --replicas=2 -n team-alpha"
    }
  ],
  "setup_commands": [],
  "validation": {
    "commands": [
      {
        "description": "Namespace 'team-alpha' exists",
        "command": "kubectl get namespace team-alpha -o jsonpath='{.metadata.name}'",
        "expected_output": "team-alpha",
        "match": "exact"
      },
      {
        "description": "Deployment 'web' exists in team-alpha",
        "command": "kubectl get deployment web -n team-alpha -o jsonpath='{.metadata.name}'",
        "expected_output": "web",
        "match": "exact"
      },
      {
        "description": "Deployment 'web' has 2 replicas",
        "command": "kubectl get deployment web -n team-alpha -o jsonpath='{.spec.replicas}'",
        "expected_output": "2",
        "match": "exact"
      },
      {
        "description": "Deployment uses nginx image",
        "command": "kubectl get deployment web -n team-alpha -o jsonpath='{.spec.template.spec.containers[0].image}'",
        "expected_output": "nginx",
        "match": "contains"
      }
    ]
  },
  "default_namespace": "default",
  "teardown_commands": [
    {
      "command": "kubectl delete namespace team-alpha --ignore-not-found --wait=false"
    }
  ]
}