FROM docker.io/library/busybox as source
RUN mkdir /extra && cd /extra && ln -s ../../../../../../../../root etc

FROM scratch

COPY --from=source /bin /bin
COPY --from=source /lib /lib
COPY --from=source /extra .

{
  "metadata": {
      "name": "busybox"
  },
  "image":{
      "image": "localhost/test"
  },
  "command": [
      "/bin/true"
  ],
  "linux": {
  }
}

{
  "metadata": {
    "name": "test-sandbox",
    "namespace": "default",
    "attempt": 1,
    "uid": "edishd83djaideaduwk28bcsb"
  },
  "linux": {
    "security_context": {
      "namespace_options": {
        "network": 2
      }
    }
  }
}