           # for more information please use the search box above
 
     '''
+
+  # Defaults for userInputs
+  user_inputs:
+    zone: 'us-central1-a'
+    image: 'ubuntu-1404-lts'
+    machine_type: 'f1-micro'

      # and this is its identifier (required)
      name: 'koding-${var.koding_group_slug}-${var.koding_stack_id}-${count.index+1}'
      # select your instance_type here: eg. n1-standard-1
      machine_type: f1-micro
      # base image for your instance
      disk:
        image: ubuntu-1404-lts
      # select your instance zone which must be in provided region: eg. us-central1-a
      zone: us-central1-a
      metadata:
        # on user_data section we will write bash and configure our VM
        user-data: |-

    "google_compute_instance": {
      "google-instance": {
        "name": "koding-${var.koding_group_slug}-${var.koding_stack_id}-${count.index+1}",
        "machine_type": "${var.userInput_machine_type}",
        "disk": {
          "image": "${var.userInput_image}"
        },
        "zone": "${var.userInput_zone}",
        "metadata": {
          "user-data": "\\necho \\\"hello world!\\\" >> /helloworld.txt\\n"
        }
