fix: latest 태그 참조를 임시 태그인 placeholder로 대체

Author: lvalentine6

terraform/dev/ecs/locals.tf

@@ -14,7 +14,7 @@ locals {
     for name, def in var.ecs_task_definitions :
     name => name == "api-dev" ? merge(def, {
       task_definition_name = "api-dev"
-      container_image      = "${var.ecr_repo_urls["dev"]}:latest"
+      container_image      = "${var.ecr_repo_urls["dev"]}:placeholder"
       task_role_arn        = def.task_role_arn
       execution_role_arn   = def.execution_role_arn
       environment = {}

terraform/dev/locals.tf

@@ -68,7 +68,7 @@ locals {
         task_role_arn      = data.terraform_remote_state.common.outputs.role_arn["ecsAppTaskRole"]
       },
         k == "api-dev" ? {
-        container_image = "${data.terraform_remote_state.bootstrap.outputs.ecr_repo_urls["dev"]}:latest"
+        container_image = "${data.terraform_remote_state.bootstrap.outputs.ecr_repo_urls["dev"]}:placeholder"
       } : {},
     )
   }

terraform/prod/ecs/locals.tf

@@ -14,7 +14,7 @@ locals {
     for name, def in var.ecs_task_definitions :
     name => name == "api-prod" ? merge(def, {
       task_definition_name = "api-prod"
-      container_image      = "${var.ecr_repo_urls["prod"]}:latest"
+      container_image      = "${var.ecr_repo_urls["prod"]}:placeholder"
       task_role_arn        = def.task_role_arn
       execution_role_arn   = def.execution_role_arn
       environment = {}

terraform/prod/locals.tf

@@ -72,7 +72,7 @@ locals {
         task_role_arn      = data.terraform_remote_state.common.outputs.role_arn["ecsAppTaskRole"]
       },
         k == "api-prod" ? {
-        container_image = "${data.terraform_remote_state.bootstrap.outputs.ecr_repo_urls["prod"]}:latest"
+        container_image = "${data.terraform_remote_state.bootstrap.outputs.ecr_repo_urls["prod"]}:placeholder"
       } : {},
     )
   }