use arm64 for alpr_cache (renamed from alpr_cluster)

terraform/modules/alpr_cache/main.tf

@@ -53,6 +53,7 @@ resource "aws_lambda_function" "overpass_lambda" {
   image_uri        = "${aws_ecr_repository.lambda_repository.repository_url}:latest"
   timeout = 180
   memory_size = 512
+  architectures = ["arm64"]
   environment {
     variables = {
       UPDATE_RATE_MINS = var.rate
@@ -108,4 +109,4 @@ resource "aws_cloudwatch_metric_alarm" "lambda_error_alarm" {
   threshold           = 0
   comparison_operator = "GreaterThanThreshold"
   alarm_actions       = [var.sns_topic_arn]
-}
+}

terraform/modules/alpr_cache/outputs.tf

@@ -1,3 +1,3 @@
 output "ecr_repository_url" {
   value = aws_ecr_repository.lambda_repository.repository_url
-}
+}

terraform/modules/alpr_cache/variables.tf

@@ -13,4 +13,4 @@ variable "rate" {
 variable "sns_topic_arn" {
   description = "The ARN of the SNS topic for Lambda alarms"
   type        = string
-}
+}