github.com/hashicorp/packer@v1.14.3/packer/test-fixtures/build-variables-interpolate.json (about)

     1  {
     2      "variables": {
     3      	"foo":  "bar",
     4  		"bar":  "{{user `foo`}}",
     5  		"baz":  "{{user `bar`}}baz",
     6  		"bang": "bang{{user `baz`}}"
     7  	},
     8  	"builders": [
     9          {"type": "foo"}
    10      ]
    11  }