fixed ecr login in example

examples/complete/data.tf

@@ -1,3 +1,5 @@
+data "aws_caller_identity" "current" {}
+
 data "aws_availability_zones" "available" {
   state = "available"
 }

examples/complete/main.tf

@@ -158,7 +158,7 @@ resource "aws_security_group" "egress_all" {
 
 resource "null_resource" "initial_image" {
   provisioner "local-exec" {
-    command = "aws ecr get-login-password --region ${var.region} | docker login --username AWS --password-stdin ${module.service.ecr_repository_url}"
+    command = "aws ecr get-login-password --region ${var.region} | docker login --username AWS --password-stdin ${data.aws_caller_identity.current.account_id}.dkr.ecr.${var.region}.amazonaws.com"
   }
 
   provisioner "local-exec" {

outputs.tf

@@ -19,8 +19,13 @@ output "ecr_repository_arn" {
   value       = join("", module.ecr[*].arn)
 }
 
+output "ecr_repository_id" {
+  description = "The registry ID where the repository was created."
+  value       = join("", module.ecr[*].registry_id)
+}
+
 output "ecr_repository_url" {
-  description = "URL of the ECR repository."
+  description = "The URL of the repository (in the form `aws_account_id.dkr.ecr.region.amazonaws.com/repositoryName`)"
   value       = join("", module.ecr[*].repository_url)
 }