jake-update-cats-n-dogs: parameterizing the images

Author: grove-mountain

self-serve-infrastructure/k8s-services/main.tf

@@ -32,7 +32,7 @@ resource "kubernetes_pod" "cats-and-dogs-backend" {
   spec {
     service_account_name = "${kubernetes_service_account.cats-and-dogs.metadata.0.name}"
     container {
-      image = "rberlind/cats-and-dogs-backend:k8s-auth"
+      image = "${var.backend_image}"
       image_pull_policy = "Always"
       name  = "cats-and-dogs-backend"
       command = ["/app/start_redis.sh"]
@@ -89,7 +89,7 @@ resource "kubernetes_pod" "cats-and-dogs-frontend" {
   spec {
     service_account_name = "${kubernetes_service_account.cats-and-dogs.metadata.0.name}"
     container {
-      image = "rberlind/cats-and-dogs-frontend:k8s-auth"
+      image = "${var.frontend_image}"
       image_pull_policy = "Always"
       name  = "cats-and-dogs-frontend"
       env = {

self-serve-infrastructure/k8s-services/variables.tf

@@ -6,3 +6,13 @@ variable "tfe_organization" {
 variable "k8s_cluster_workspace" {
   description = "workspace to use for the k8s cluster"
 }
+
+variable "frontend_image" {
+  default = 'rberlind/cats-and-dogs-frontend:k8s-auth'
+  description = "Docker image location of the frontend app"
+}
+
+variable "backend_image" {
+  default = 'rberlind/cats-and-dogs-backend:k8s-auth'
+  description = "Docker image location of the frontend app"
+}