{
   "builders": [
      {
       	"type": "docker",
       	"name": "{{ user `name`}}",
       	"image": "julia",
       	"commit" : true
      }
    ],
    "provisioners": [],
    "post-processors": [
      {
        "type": "shell-local",
        "inline": ["docker tag {{ user `image`}}:latest {{ user `image`}}:{{ user `runtime`}}"]
      }
    ]
}