packer.json

{
  "variables": {
    "DOCKERHUB_EMAIL"    : "{{ env `DOCKERHUB_EMAIL` }}",
    "DOCKERHUB_USERNAME" : "{{ env `DOCKERHUB_USERNAME` }}",
    "DOCKERHUB_PASSWORD" : "{{ env `DOCKERHUB_PASSWORD` }}",
    "DOCKERHUB_SERVER"   : "{{ env `DOCKERHUB_SERVER` }}"
  },
  "provisioners": [
    {
      "type"   : "shell",
      "inline" : [
        "sudo apt-get update && sudo apt-get -y upgrade",
        "sudo apt-get -y install puppet",
        "sudo mkdir -p /tmp/hieradata"
      ]
    },
    {
      "type"        : "file",
      "source"      : "puppet/ext/hieradata",
      "destination" : "/tmp"
    },
    {
      "type"              : "puppet-masterless",
      "manifest_file"     : "./puppet/site.pp",
      "module_paths"      : "./puppet/modules",
      "hiera_config_path" : "./puppet/ext/hiera.yaml",
      "execute_command"   : "{{.FacterVars}}{{if .Sudo}} sudo -E {{end}}puppet apply  --verbose --parser future --modulepath='{{.ModulePath}}'  --hiera_config='{{.HieraConfigPath}}' --detailed-exitcodes  {{.ManifestFile}}"
    }
  ],
  "builders": [
    {
      "type"        : "docker",
      "image"       : "ubuntu",
      "export_path" : "img.tar"
    }
  ],
  "post-processors": [
    [{
      "type"       : "docker-import",
      "repository" : "maguec/packer-puppet-example",
      "tag"        : "latest"
    },
    { 
       "type"           : "docker-push",
       "login"          : true,
       "login_email"    : "{{user `DOCKERHUB_EMAIL`}}",
       "login_username" : "{{user `DOCKERHUB_USERNAME`}}",
       "login_password" : "{{user `DOCKERHUB_PASSWORD`}}",
       "login_server"   : "{{user `DOCKERHUB_SERVER`}}"
     }]
  ]
}