diff --git a/README.md b/README.md
index 8dd6f61f..bfa8bdab 100644
--- a/README.md
+++ b/README.md
@@ -7,15 +7,15 @@ Modular Global HTTP Load Balancer for GCE using forwarding rules.
 
 ## Usage
 
-```ruby
+```HCL
 module "gce-lb-http" {
   source            = "GoogleCloudPlatform/lb-http/google"
   name              = "group-http-lb"
-  target_tags       = ["${module.mig1.target_tags}", "${module.mig2.target_tags}"]
+  target_tags       = [module.mig1.target_tags, module.mig2.target_tags]
   backends          = {
     "0" = [
-      { group = "${module.mig1.instance_group}" },
-      { group = "${module.mig2.instance_group}" }
+      { group = module.mig1.instance_group },
+      { group = module.mig2.instance_group }
     ],
   }
   backend_params    = [
diff --git a/examples/https-gke/gke-node-port/main.tf b/examples/https-gke/gke-node-port/main.tf
index 5a0c5cac..e0fdff8f 100644
--- a/examples/https-gke/gke-node-port/main.tf
+++ b/examples/https-gke/gke-node-port/main.tf
@@ -34,12 +34,12 @@ resource "google_compute_subnetwork" "default" {
 }
 
 data "google_container_engine_versions" "default" {
-  location = var.zone
+  location = var.location
 }
 
 resource "google_container_cluster" "default" {
   name               = var.network_name
-  location           = var.zone
+  location           = var.location
   initial_node_count = 3
   min_master_version = data.google_container_engine_versions.default.latest_master_version
   network            = google_compute_subnetwork.default.name
@@ -62,12 +62,11 @@ provider "kubernetes" {
   cluster_ca_certificate = base64decode(google_container_cluster.default.master_auth.0.cluster_ca_certificate)
 }
 
-module "named-port" {
-  # this module is not migrated to HCL2 / TF 0.12 syntax
-  source         = "github.com/danisla/terraform-google-named-ports"
-  instance_group = google_container_cluster.default.instance_group_urls[0]
-  name           = var.port_name
-  port           = var.node_port
+resource "null_resource" "default" {
+
+  provisioner "local-exec" {
+    command = "gcloud compute instance-groups set-named-ports ${google_container_cluster.default.instance_group_urls[0]} --named-ports=${var.port_name}:${var.node_port} --format=json"
+  }
 }
 
 resource "kubernetes_service" "nginx" {
diff --git a/examples/https-gke/gke-node-port/test.sh b/examples/https-gke/gke-node-port/test.sh
index b35c47a7..c7d4123a 100644
--- a/examples/https-gke/gke-node-port/test.sh
+++ b/examples/https-gke/gke-node-port/test.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 EXP_NAME=$(terraform output port_name)
diff --git a/examples/https-gke/gke-node-port/variables.tf b/examples/https-gke/gke-node-port/variables.tf
index b8fd9aea..bc6def7e 100644
--- a/examples/https-gke/gke-node-port/variables.tf
+++ b/examples/https-gke/gke-node-port/variables.tf
@@ -26,8 +26,7 @@ variable "region" {
   default = "us-central1"
 }
 
-variable "zone" {
-  # this variable is deprecated in resources, new name for it is `location`
+variable "location" {
   default = "us-central1-f"
 }
 
diff --git a/examples/https-gke/main.tf b/examples/https-gke/main.tf
index 90664c9b..95069538 100644
--- a/examples/https-gke/main.tf
+++ b/examples/https-gke/main.tf
@@ -14,64 +14,16 @@
  * limitations under the License.
  */
 
-variable "name" {
-  default = "tf-lb-https-gke"
-}
-
-variable "service_port" {
-  default = "30000"
-}
-
-variable "service_port_name" {
-  default = "http"
-}
-
-variable "target_tags" {
-  default = "tf-lb-https-gke"
-}
-
-variable "backend" {}
-
-data "google_client_config" "current" {}
-
-variable "region" {
-  default = "us-central1"
-}
-
-variable "zone" {
-  default = "us-central1-f"
-}
-
-variable "network_name" {
-  default = "default"
-}
-
-variable "service_account" {
-  type    = object({
-    email  = string,
-    scopes = list(string)
-  })
-  default = {
-    email  = ""
-    scopes = [
-      "cloud-platform"]
-  }
-}
-
-variable "project" {
-  type = string
-}
-
 provider "google" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 provider "google-beta" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
+data "google_client_config" "current" {}
+
 module "gce-lb-https" {
   project           = var.project
   source            = "../../"
@@ -169,7 +121,3 @@ resource "google_storage_object_acl" "image-acl" {
   object         = google_storage_bucket_object.image.name
   predefined_acl = "publicRead"
 }
-
-output "load-balancer-ip" {
-  value = module.gce-lb-https.external_ip
-}
diff --git a/examples/https-gke/outputs.tf b/examples/https-gke/outputs.tf
new file mode 100644
index 00000000..8d8a2c9e
--- /dev/null
+++ b/examples/https-gke/outputs.tf
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+output "load-balancer-ip" {
+  value = module.gce-lb-https.external_ip
+}
diff --git a/examples/https-gke/test.sh b/examples/https-gke/test.sh
index b6fb965a..2113581e 100755
--- a/examples/https-gke/test.sh
+++ b/examples/https-gke/test.sh
@@ -1,18 +1,18 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 URL="https://$(terraform output load-balancer-ip)"
 status=0
 count=0
-while [[ $count -lt 720 && $status -ne 200 ]]; do
+while [[ ${count} -lt 720 && ${status} -ne 200 ]]; do
   echo "INFO: Waiting for load balancer..."
   status=$(curl -sfk -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
   ((count=count+1))
   sleep 5
 done
-if [[ $count -lt 720 ]]; then
+if [[ ${count} -lt 720 ]]; then
   echo "INFO: PASS. Load balancer is ready."
 else
   echo "ERROR: Failed. Load balancer never became ready."
diff --git a/examples/https-gke/variables.tf b/examples/https-gke/variables.tf
new file mode 100644
index 00000000..07e9b092
--- /dev/null
+++ b/examples/https-gke/variables.tf
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+variable "name" {
+  default = "tf-lb-https-gke"
+}
+
+variable "service_port" {
+  default = "30000"
+}
+
+variable "service_port_name" {
+  default = "http"
+}
+
+variable "target_tags" {
+  default = "tf-lb-https-gke"
+}
+
+variable "backend" {}
+
+variable "region" {
+  default = "us-central1"
+}
+
+variable "zone" {
+  default = "us-central1-f"
+}
+
+variable "network_name" {
+  default = "default"
+}
+
+variable "service_account" {
+  type    = object({
+    email  = string,
+    scopes = list(string)
+  })
+  default = {
+    email  = ""
+    scopes = [
+      "cloud-platform"]
+  }
+}
+
+variable "project" {
+  type = string
+}
diff --git a/examples/mig-nat-http-lb/main.tf b/examples/mig-nat-http-lb/main.tf
index 6e4a82dc..5f1346f7 100644
--- a/examples/mig-nat-http-lb/main.tf
+++ b/examples/mig-nat-http-lb/main.tf
@@ -14,47 +14,17 @@
  * limitations under the License.
  */
 
-variable "region" {
-  default = "us-west1"
-}
-
-variable "zone" {
-  default = "us-west1-b"
-}
-
-variable "network_name" {
-  default = "tf-lb-http-mig-nat"
-}
-
-variable "service_account" {
-  type    = object({
-    email  = string,
-    scopes = list(string)
-  })
-  default = {
-    email  = ""
-    scopes = [
-      "cloud-platform"]
-  }
-}
-
-variable "project" {
-  type    = string
-}
-
 provider "google" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 provider "google-beta" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 resource "google_compute_network" "default" {
   name                    = var.network_name
-  auto_create_subnetworks = "false"
+  auto_create_subnetworks = false
 }
 
 resource "google_compute_subnetwork" "default" {
@@ -139,7 +109,3 @@ module "gce-lb-http" {
     "/,http,80,10",
   ]
 }
-
-output "load-balancer-ip" {
-  value = module.gce-lb-http.external_ip
-}
diff --git a/examples/mig-nat-http-lb/outputs.tf b/examples/mig-nat-http-lb/outputs.tf
new file mode 100644
index 00000000..a8cd1a29
--- /dev/null
+++ b/examples/mig-nat-http-lb/outputs.tf
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+output "load-balancer-ip" {
+  value = module.gce-lb-http.external_ip
+}
+
+output "backend_services" {
+  value = module.gce-lb-http.backend_services
+}
diff --git a/examples/mig-nat-http-lb/test.sh b/examples/mig-nat-http-lb/test.sh
index 4edd74f2..e326a527 100755
--- a/examples/mig-nat-http-lb/test.sh
+++ b/examples/mig-nat-http-lb/test.sh
@@ -1,18 +1,18 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 URL="http://$(terraform output load-balancer-ip)"
 status=0
 count=0
-while [[ $count -lt 720 && $status -ne 200 ]]; do
+while [[ ${count} -lt 720 && ${status} -ne 200 ]]; do
   echo "INFO: Waiting for load balancer..."
   status=$(curl -sf -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
   ((count=count+1))
   sleep 5
 done
-if [[ $count -lt 720 ]]; then
+if [[ ${count} -lt 720 ]]; then
   echo "INFO: PASS"
 else
   echo "ERROR: Failed"
diff --git a/examples/mig-nat-http-lb/variables.tf b/examples/mig-nat-http-lb/variables.tf
new file mode 100644
index 00000000..1652d3ac
--- /dev/null
+++ b/examples/mig-nat-http-lb/variables.tf
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+variable "region" {
+  default = "us-west1"
+}
+
+variable "zone" {
+  default = "us-west1-b"
+}
+
+variable "network_name" {
+  default = "tf-lb-http-mig-nat"
+}
+
+variable "service_account" {
+  type    = object({
+    email  = string,
+    scopes = list(string)
+  })
+  default = {
+    email  = ""
+    scopes = [
+      "cloud-platform"]
+  }
+}
+
+variable "project" {
+  type    = string
+}
diff --git a/examples/multi-backend-multi-mig-bucket-https-lb/main.tf b/examples/multi-backend-multi-mig-bucket-https-lb/main.tf
index 9aa3b40e..51573249 100644
--- a/examples/multi-backend-multi-mig-bucket-https-lb/main.tf
+++ b/examples/multi-backend-multi-mig-bucket-https-lb/main.tf
@@ -14,58 +14,12 @@
  * limitations under the License.
  */
 
-variable "group1_region" {
-  default = "us-west1"
-}
-
-variable "group1_zone" {
-  default = "us-west1-a"
-}
-
-variable "group2_region" {
-  default = "us-central1"
-}
-
-variable "group2_zone" {
-  default = "us-central1-f"
-}
-
-variable "group3_region" {
-  default = "us-east1"
-}
-
-variable "group3_zone" {
-  default = "us-east1-b"
-}
-
-variable "network_name" {
-  default = "ml-bk-ml-mig-bkt-s-lb"
-}
-
-variable "service_account" {
-  type    = object({
-    email  = string,
-    scopes = list(string)
-  })
-  default = {
-    email  = ""
-    scopes = [
-      "cloud-platform"]
-  }
-}
-
-variable "project" {
-  type = string
-}
-
 provider "google" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 provider "google-beta" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 resource "google_compute_network" "default" {
@@ -285,23 +239,3 @@ resource "google_storage_object_acl" "image-acl" {
   object         = google_storage_bucket_object.image.name
   predefined_acl = "publicRead"
 }
-
-output "group1_region" {
-  value = var.group1_region
-}
-
-output "group2_region" {
-  value = var.group2_region
-}
-
-output "group3_region" {
-  value = var.group3_region
-}
-
-output "load-balancer-ip" {
-  value = module.gce-lb-https.external_ip
-}
-
-output "asset-url" {
-  value = "https://${module.gce-lb-https.external_ip}/assets/gcp-logo.svg"
-}
diff --git a/examples/multi-backend-multi-mig-bucket-https-lb/outputs.tf b/examples/multi-backend-multi-mig-bucket-https-lb/outputs.tf
new file mode 100644
index 00000000..7c6ca4ef
--- /dev/null
+++ b/examples/multi-backend-multi-mig-bucket-https-lb/outputs.tf
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+output "group1_region" {
+  value = var.group1_region
+}
+
+output "group2_region" {
+  value = var.group2_region
+}
+
+output "group3_region" {
+  value = var.group3_region
+}
+
+output "load-balancer-ip" {
+  value = module.gce-lb-https.external_ip
+}
+
+output "asset-url" {
+  value = "https://${module.gce-lb-https.external_ip}/assets/gcp-logo.svg"
+}
diff --git a/examples/multi-backend-multi-mig-bucket-https-lb/test.sh b/examples/multi-backend-multi-mig-bucket-https-lb/test.sh
index ac54d7df..06da3a8e 100755
--- a/examples/multi-backend-multi-mig-bucket-https-lb/test.sh
+++ b/examples/multi-backend-multi-mig-bucket-https-lb/test.sh
@@ -1,18 +1,18 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 URL="https://$(terraform output load-balancer-ip)"
 status=0
 count=0
-while [[ $count -lt 720 && $status -ne 200 ]]; do
+while [[ ${count} -lt 720 && ${status} -ne 200 ]]; do
   echo "INFO: Waiting for load balancer..."
   status=$(curl -sfk -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
   ((count=count+1))
   sleep 5
 done
-if [[ $count -lt 720 ]]; then
+if [[ ${count} -lt 720 ]]; then
   echo "INFO: PASS. Load balancer is ready."
 else
   echo "ERROR: Failed. Load balancer never became ready."
@@ -23,7 +23,7 @@ function checkPattern() {
   local URL=$1
   local pattern="$2"
   local count=0
-  while [[ $count -lt 120 ]]; do
+  while [[ ${count} -lt 120 ]]; do
     echo "INFO: Checking ${URL} for text: '$pattern'..."
     if curl -sfkL -m 5 "${URL}" | egrep -q "${pattern}"; then
       echo "INFO: PASS. Found pattern: '$pattern'"
@@ -38,10 +38,10 @@ function checkPattern() {
 function checkFile() {
   local URL=$1
   local count=0
-  while [[ $count -lt 120 ]]; do
+  while [[ ${count} -lt 120 ]]; do
     echo "INFO: Checking ${URL}..."
     status=$(curl -sfk -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
-    if [[ $status -eq 200 ]]; then
+    if [[ ${status} -eq 200 ]]; then
       echo "INFO: PASS"
       return 0
     fi
diff --git a/examples/multi-backend-multi-mig-bucket-https-lb/variables.tf b/examples/multi-backend-multi-mig-bucket-https-lb/variables.tf
new file mode 100644
index 00000000..99b73903
--- /dev/null
+++ b/examples/multi-backend-multi-mig-bucket-https-lb/variables.tf
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+variable "group1_region" {
+  default = "us-west1"
+}
+
+variable "group1_zone" {
+  default = "us-west1-a"
+}
+
+variable "group2_region" {
+  default = "us-central1"
+}
+
+variable "group2_zone" {
+  default = "us-central1-f"
+}
+
+variable "group3_region" {
+  default = "us-east1"
+}
+
+variable "group3_zone" {
+  default = "us-east1-b"
+}
+
+variable "network_name" {
+  default = "ml-bk-ml-mig-bkt-s-lb"
+}
+
+variable "service_account" {
+  type    = object({
+    email  = string,
+    scopes = list(string)
+  })
+  default = {
+    email  = ""
+    scopes = [
+      "cloud-platform"]
+  }
+}
+
+variable "project" {
+  type = string
+}
diff --git a/examples/multi-mig-http-lb/mig.tf b/examples/multi-mig-http-lb/mig.tf
index 3f6cbe6d..a1b892cd 100644
--- a/examples/multi-mig-http-lb/mig.tf
+++ b/examples/multi-mig-http-lb/mig.tf
@@ -16,12 +16,10 @@
 
 provider "google" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 provider "google-beta" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 data "template_file" "group-startup-script" {
diff --git a/examples/multi-mig-http-lb/test.sh b/examples/multi-mig-http-lb/test.sh
index 4edd74f2..e326a527 100755
--- a/examples/multi-mig-http-lb/test.sh
+++ b/examples/multi-mig-http-lb/test.sh
@@ -1,18 +1,18 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 URL="http://$(terraform output load-balancer-ip)"
 status=0
 count=0
-while [[ $count -lt 720 && $status -ne 200 ]]; do
+while [[ ${count} -lt 720 && ${status} -ne 200 ]]; do
   echo "INFO: Waiting for load balancer..."
   status=$(curl -sf -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
   ((count=count+1))
   sleep 5
 done
-if [[ $count -lt 720 ]]; then
+if [[ ${count} -lt 720 ]]; then
   echo "INFO: PASS"
 else
   echo "ERROR: Failed"
diff --git a/examples/multiple-certs/main.tf b/examples/multiple-certs/main.tf
index 5ef3aa30..32f4d97b 100644
--- a/examples/multiple-certs/main.tf
+++ b/examples/multiple-certs/main.tf
@@ -14,58 +14,12 @@
  * limitations under the License.
  */
 
-variable "group1_region" {
-  default = "us-west1"
-}
-
-variable "group1_zone" {
-  default = "us-west1-a"
-}
-
-variable "group2_region" {
-  default = "us-central1"
-}
-
-variable "group2_zone" {
-  default = "us-central1-f"
-}
-
-variable "group3_region" {
-  default = "us-east1"
-}
-
-variable "group3_zone" {
-  default = "us-east1-b"
-}
-
-variable "network_name" {
-  default = "tf-lb-https-multi-cert"
-}
-
-variable "service_account" {
-  type    = object({
-    email  = string,
-    scopes = list(string)
-  })
-  default = {
-    email  = ""
-    scopes = [
-      "cloud-platform"]
-  }
-}
-
-variable "project" {
-  type = string
-}
-
 provider "google" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 provider "google-beta" {
   project = var.project
-  version = "~> 2.7.0"
 }
 
 resource "google_compute_network" "default" {
@@ -285,23 +239,3 @@ resource "google_storage_object_acl" "image-acl" {
   object         = google_storage_bucket_object.image.name
   predefined_acl = "publicRead"
 }
-
-output "group1_region" {
-  value = var.group1_region
-}
-
-output "group2_region" {
-  value = var.group2_region
-}
-
-output "group3_region" {
-  value = var.group3_region
-}
-
-output "load-balancer-ip" {
-  value = module.gce-lb-https.external_ip
-}
-
-output "asset-url" {
-  value = "https://${module.gce-lb-https.external_ip}/assets/gcp-logo.svg"
-}
diff --git a/examples/multiple-certs/outputs.tf b/examples/multiple-certs/outputs.tf
new file mode 100644
index 00000000..7c6ca4ef
--- /dev/null
+++ b/examples/multiple-certs/outputs.tf
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+output "group1_region" {
+  value = var.group1_region
+}
+
+output "group2_region" {
+  value = var.group2_region
+}
+
+output "group3_region" {
+  value = var.group3_region
+}
+
+output "load-balancer-ip" {
+  value = module.gce-lb-https.external_ip
+}
+
+output "asset-url" {
+  value = "https://${module.gce-lb-https.external_ip}/assets/gcp-logo.svg"
+}
diff --git a/examples/multiple-certs/test.sh b/examples/multiple-certs/test.sh
index 8407c12c..56588877 100755
--- a/examples/multiple-certs/test.sh
+++ b/examples/multiple-certs/test.sh
@@ -1,18 +1,18 @@
 #!/usr/bin/env bash
 
-set -x 
+set -x
 set -e
 
 URL="https://$(terraform output load-balancer-ip)"
 status=0
 count=0
-while [[ $count -lt 720 && $status -ne 200 ]]; do
+while [[ ${count} -lt 720 && ${status} -ne 200 ]]; do
   echo "INFO: Waiting for load balancer..."
   status=$(curl -sfk -m 5 -o /dev/null -w "%{http_code}" "${URL}" || true)
   ((count=count+1))
   sleep 5
 done
-if [[ $count -lt 720 ]]; then
+if [[ ${count} -lt 720 ]]; then
   echo "INFO: PASS. Load balancer is ready."
 else
   echo "ERROR: Failed. Load balancer never became ready."
@@ -23,7 +23,7 @@ function checkPattern() {
   local URL=$1
   local pattern="$2"
   local count=0
-  while [[ $count -lt 120 ]]; do
+  while [[ ${count} -lt 120 ]]; do
     echo "INFO: Checking ${URL} for text: '$pattern'..."
     if curl -sfkL -m 5 "${URL}" | egrep -q "${pattern}"; then
       echo "INFO: PASS. Found pattern: '$pattern'"
@@ -41,7 +41,7 @@ checkPattern ${URL}/group3 "$(terraform output group3_region)"
 
 status=0
 status=$(curl -sfk -m 5 -o /dev/null -w "%{http_code}" "$(terraform output asset-url)" || true)
-if [[ $status -eq 200 ]]; then
+if [[ ${status} -eq 200 ]]; then
   echo "INFO: PASS. Assets served from GCS bucket."
 else
   echo "ERROR: Failed, could not get asset from bucket."
diff --git a/examples/multiple-certs/variables.tf b/examples/multiple-certs/variables.tf
new file mode 100644
index 00000000..245208c2
--- /dev/null
+++ b/examples/multiple-certs/variables.tf
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+variable "group1_region" {
+  default = "us-west1"
+}
+
+variable "group1_zone" {
+  default = "us-west1-a"
+}
+
+variable "group2_region" {
+  default = "us-central1"
+}
+
+variable "group2_zone" {
+  default = "us-central1-f"
+}
+
+variable "group3_region" {
+  default = "us-east1"
+}
+
+variable "group3_zone" {
+  default = "us-east1-b"
+}
+
+variable "network_name" {
+  default = "tf-lb-https-multi-cert"
+}
+
+variable "service_account" {
+  type    = object({
+    email  = string,
+    scopes = list(string)
+  })
+  default = {
+    email  = ""
+    scopes = [
+      "cloud-platform"]
+  }
+}
+
+variable "project" {
+  type = string
+}
diff --git a/examples/shared-vpc/main.tf b/examples/shared-vpc/main.tf
index afd7e8f6..70b77a70 100644
--- a/examples/shared-vpc/main.tf
+++ b/examples/shared-vpc/main.tf
@@ -16,13 +16,11 @@
 
 provider "google" {
   project = var.service_project
-  version = "~> 2.7.0"
   region  = var.region
 }
 
 provider "google-beta" {
   project = var.service_project
-  version = "~> 2.7.0"
   region  = var.region
 }
 
diff --git a/examples/terraform-install.sh b/examples/terraform-install.sh
index 8431b57c..c5f91818 100755
--- a/examples/terraform-install.sh
+++ b/examples/terraform-install.sh
@@ -11,11 +11,11 @@ function terraform-install() {
   if [[ -z $(grep 'export PATH=${HOME}/bin:${PATH}' ~/.bashrc 2>/dev/null) ]]; then
   	echo 'export PATH=${HOME}/bin:${PATH}' >> ~/.bashrc
   fi
-  
+
   echo "Installed: `${HOME}/bin/terraform version`"
-  
-  cat - << EOF 
- 
+
+  cat - << EOF
+
 Run the following to reload your PATH with terraform:
 
   source ~/.bashrc
diff --git a/main.tf b/main.tf
index 6e793112..d8e5e097 100644
--- a/main.tf
+++ b/main.tf
@@ -21,8 +21,6 @@ resource "google_compute_global_forwarding_rule" "http" {
   target     = google_compute_target_http_proxy.default[0].self_link
   ip_address = google_compute_global_address.default.address
   port_range = "80"
-  depends_on = [
-    google_compute_global_address.default]
 }
 
 resource "google_compute_global_forwarding_rule" "https" {
@@ -32,8 +30,6 @@ resource "google_compute_global_forwarding_rule" "https" {
   target     = google_compute_target_https_proxy.default[0].self_link
   ip_address = google_compute_global_address.default.address
   port_range = "443"
-  depends_on = [
-    google_compute_global_address.default]
 }
 
 resource "google_compute_global_address" "default" {
@@ -66,7 +62,7 @@ resource "google_compute_target_https_proxy" "default" {
 
 resource "google_compute_ssl_certificate" "default" {
   project     = var.project
-  count       = var.ssl && false == var.use_ssl_certificates ? 1 : 0
+  count       = var.ssl && !var.use_ssl_certificates ? 1 : 0
   name_prefix = "${var.name}-certificate-"
   private_key = var.private_key
   certificate = var.certificate
@@ -118,12 +114,11 @@ resource "google_compute_http_health_check" "default" {
   port         = split(",", var.backend_params[count.index])[2]
 }
 
-# Create firewall rule for each backend in each network specified, uses mod behavior of element().
 resource "google_compute_firewall" "default-hc" {
-  count         = length(var.firewall_networks) == 1 ? length(var.firewall_networks) * length(distinct(var.backend_params)) : length(var.firewall_networks) * length(var.backend_params)
+  count         = length(var.firewall_networks)
   project       = length(var.firewall_networks) == 1 && var.firewall_projects[0] == "default" ? var.project : var.firewall_projects[count.index]
   name          = "${var.name}-hc-${count.index}"
-  network       = length(var.firewall_networks) == 1 ? var.firewall_networks[0] : var.firewall_networks[count.index]
+  network       = var.firewall_networks[count.index]
   source_ranges = [
     "130.211.0.0/22",
     "35.191.0.0/16",
diff --git a/outputs.tf b/outputs.tf
index 307886a1..4b141ab0 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -16,7 +16,7 @@
 
 output "backend_services" {
   description = "The backend service resources."
-  value       = [for i in range(length(google_compute_backend_service.default)) : google_compute_backend_service.default[i].self_link]
+  value       = google_compute_backend_service.default[*].self_link
 }
 
 output "external_ip" {
diff --git a/variables.tf b/variables.tf
index 62dac9d2..21a78bf8 100644
--- a/variables.tf
+++ b/variables.tf
@@ -57,7 +57,9 @@ variable "target_tags" {
 
 variable "backends" {
   description = "Map backend indices to list of backend maps."
-  type        = map(list(map(string)))
+  type        = map(list(object({
+    group = string
+  })))
 }
 
 variable "backend_params" {
diff --git a/versions.tf b/versions.tf
index ee879c77..5bc25e41 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,13 +1,23 @@
-provider "google" {
-  project = var.project
-  version = "~> 2.7.0"
-}
-
-provider "google-beta" {
-  project = var.project
-  version = "~> 2.7.0"
-}
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 terraform {
-  required_version = ">= 0.12"
+  required_version = "~> 0.12"
+  required_providers {
+    google = "~> 2.7.0"
+    google-beta = "~> 2.7.0"
+  }
 }