Ignition config for CoreOS

ignition.json

{
  "ignition": {
    "version": "2.0.0",
    "config": {}
  },
  "storage": {
    "filesystems": [
      {
        "name": "filesystem1",
        "mount": {
          "device": "/dev/disk/by-partlabel/ROOT",
          "format": "ext4",
          "create": {
            "force": true,
            "options": [
              "-L",
              "ROOT"
            ]
          }
        }
      }
    ]
  },
  "systemd": {},
  "networkd": {},
  "passwd": {
    "users": [
      {
        "name": "core",
        "passwordHash": "$6$a3d45b8a566eed95$CI369paK3Vd0HOvoJVUI3gL6q0u26F5B1tua/qtqrxkzmm3vVON6MIlp9f.nS3wO9DAeCj1OuqgxdPYTQb279/",
        "sshAuthorizedKeys": [
          "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDdHge+rJ2n2S1A7qBaSwo2QK/9fVDGQSFI8pqK/GbQx7oGCQNQIgp6CpQxUh/+3YrPoTenso8oia14GRMd46vIC4vSA1IcFFLj8jkqmn5nqrxWKwzqOyiAGBNFK2lHgcTb6kM9QeBmy4K1d0jxcilvR4RxWFx6M/2v/ngwPEFs/DXw8MewL59+PWtFkCXDNnxMy2VBE9NnETj5st4Xz6Gsx0oMyIEOHBqO7zWPoTs6pzUk0nfQxW+zU0JNgzvtozzcJ1GsYY2wm/+o3ahHxAh7U/zmiBkoH1JgA0cIfyXcgL9Od0AMF/D/IidLrF1VXZWMMnm6ppFZ6IzKQXxPQcVH 4po9nsrw"
        ],
        "create": {
          "groups": [
            "wheel",
            "sudo",
            "docker"
          ]
        }
      }
    ]
  }
}