cilium

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{
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  "apiVersion": "networking.k8s.io/v1",
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  "kind": "NetworkPolicy",
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  "metadata": {
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    "name": "guestbook-redis"
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  },
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  "spec": {
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    "podSelector": {
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      "matchLabels": {
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        "k8s-app.guestbook": "redis"
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      }
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    },
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    "ingress": [
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      {
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        "from": [
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          {
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            "podSelector": {
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              "matchLabels": {
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                "k8s-app.guestbook": "web"
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              }
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            }
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          },
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          {
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            "podSelector": {
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              "matchLabels": {
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                "k8s-app.guestbook": "redis"
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              }
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            }
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          }
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        ],
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        "ports": [
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          {
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            "protocol": "TCP",
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            "port": 6379
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          }
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        ]
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      }
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    ]
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  }
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}
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