{
  "id": "multi-container-pod-basics",
  "title": "Create a Multi-Container Pod",
  "category": "Core Concepts",
  "difficulty": "Easy",
  "type": "task",
  "weight": 5,
  "description": "## Multi-Container Pods\n\nPods can contain multiple containers that share the same network namespace and storage volumes. This is often used for the 'sidecar' pattern.\n\n**Your task:**\n\nCreate a Pod named `web-sidecar` in the `default` namespace with two containers:\n1. Name: `app`, Image: `nginx:alpine`\n2. Name: `sidecar`, Image: `busybox:1.36`, Command: `sleep 3600`\n\nVerify it is running:\n```bash\nkubectl get pod web-sidecar\n```",
  "hints": [
    {
      "title": "Manifest Structure",
      "body": "Your `spec.containers` array needs two items.",
      "command": "cat <<EOF | kubectl apply -f -\napiVersion: v1\nkind: Pod\nmetadata:\n  name: web-sidecar\nspec:\n  containers:\n  - name: app\n    image: nginx:alpine\n  - name: sidecar\n    image: busybox:1.36\n    command: [\"sleep\", \"3600\"]\nEOF"
    }
  ],
  "setup_commands": [],
  "validation": {
    "commands": [
      {
        "description": "Pod 'web-sidecar' exists",
        "command": "kubectl get pod web-sidecar -o jsonpath='{.metadata.name}'",
        "expected_output": "web-sidecar",
        "match": "exact"
      },
      {
        "description": "Pod has 2 containers",
        "command": "kubectl get pod web-sidecar -o jsonpath='{.spec.containers[*].name}' | wc -w | tr -d ' '",
        "expected_output": "2",
        "match": "exact"
      },
      {
        "description": "Pod is Running",
        "command": "kubectl get pod web-sidecar -o jsonpath='{.status.phase}'",
        "expected_output": "Running",
        "match": "exact"
      }
    ]
  },
  "default_namespace": "default",
  "teardown_commands": [
    {
      "command": "kubectl delete pod web-sidecar --ignore-not-found --grace-period=0 --force"
    }
  ]
}