feat: keep the latest tag in ecr (#94)

Signed-off-by: Bünyamin Dökmetaş <[email protected]>

README.md

@@ -137,7 +137,7 @@ Terraform module which creates a ecs app
 | <a name="input_log_driver"></a> [log\_driver](#input\_log\_driver) | The log driver to use for the container. If using Fargate launch type, only supported value is awslogs | `string` | `"awsfirelens"` | no |
 | <a name="input_log_retention_in_days"></a> [log\_retention\_in\_days](#input\_log\_retention\_in\_days) | The number of days to retain logs for the log group | `number` | `1` | no |
 | <a name="input_log_router_container_cpu"></a> [log\_router\_container\_cpu](#input\_log\_router\_container\_cpu) | The log router cpu reservation for the ECS task definition | `string` | `30` | no |
-| <a name="input_log_router_container_memory_reservation"></a> [log\_router\_container\_memory\_reservation](#input\_log\_router\_container\_memory\_reservation) | The log router cpu reservation for the ECS task definition | `string` | `64` | no |
+| <a name="input_log_router_container_memory_reservation"></a> [log\_router\_container\_memory\_reservation](#input\_log\_router\_container\_memory\_reservation) | The log router memory reservation for the ECS task definition | `string` | `64` | no |
 | <a name="input_log_router_image_repository"></a> [log\_router\_image\_repository](#input\_log\_router\_image\_repository) | Container registry repository url | `string` | n/a | yes |
 | <a name="input_log_router_image_tag"></a> [log\_router\_image\_tag](#input\_log\_router\_image\_tag) | The default container image to use in container definition | `string` | `"stable-2.2.2"` | no |
 | <a name="input_log_router_options"></a> [log\_router\_options](#input\_log\_router\_options) | The log router options to use | `map(string)` | <pre>{<br>  "config-file-type": "file",<br>  "config-file-value": "/fluent-bit/etc/extra.conf"<br>}</pre> | no |

ecr.tf

@@ -23,6 +23,19 @@ module "ecr" {
     rules = [
       {
         rulePriority = 1,
+        description  = "Keep the latest tag",
+        selection = {
+          countNumber   = 1
+          countType     = "imageCountMoreThan"
+          tagStatus     = "tagged"
+          tagPrefixList = ["latest"]
+        },
+        action = {
+          type = "expire"
+        }
+      },
+      {
+        rulePriority = 2,
         description  = "Remove untagged images",
         selection = {
           countNumber = 1
@@ -34,7 +47,7 @@ module "ecr" {
         }
       },
       {
-        rulePriority = 2,
+        rulePriority = 3,
         description  = "Keep last 30 images",
         selection = {
           tagStatus   = "any",

variables.tf

@@ -40,7 +40,6 @@ variable "alarm_kinsumer" {
   description = "This can be used to override alarms for kinsumers. Keys are names of the kinsumers."
 }
 
-
 variable "alarm_service_resources_enabled" {
   type        = bool
   default     = false
@@ -499,7 +498,7 @@ variable "log_router_container_cpu" {
 
 variable "log_router_container_memory_reservation" {
   type        = string
-  description = "The log router cpu reservation for the ECS task definition"
+  description = "The log router memory reservation for the ECS task definition"
   default     = 64
 }