From a9377a3ae1798640b701114d2f84a1500bc05d2e Mon Sep 17 00:00:00 2001
From: Jun-te Kim <junte@domna.homes>
Date: Fri, 18 Jul 2025 16:37:33 +0000
Subject: [PATCH]  add auto delete policy

---
 .../lambda/lambda_example/docker/ecr.tf       | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/deployment/lambda/lambda_example/docker/ecr.tf b/deployment/lambda/lambda_example/docker/ecr.tf
index d9e2eab..4e29be7 100644
--- a/deployment/lambda/lambda_example/docker/ecr.tf
+++ b/deployment/lambda/lambda_example/docker/ecr.tf
@@ -23,3 +23,27 @@ resource "aws_ecr_repository_policy" "lambda_example_ecr_access" {
     }]
   })
 }
+
+# ECR lifecycle policy to delete tagged images older than 14 days
+resource "aws_ecr_lifecycle_policy" "extractor_loader_lifecycle" {
+  repository = aws_ecr_repository.lambda_example.name
+
+  policy = jsonencode({
+    rules = [
+      {
+        rulePriority = 1
+        description  = "Delete tagged images older than 14 days"
+        selection = {
+          tagStatus     = "tagged"
+          countType     = "sinceImagePushed"
+          countUnit     = "days"
+          countNumber   = 14
+          tagPrefixList = [""]  # Matches all tagged images
+        }
+        action = {
+          type = "expire"
+        }
+      }
+    ]
+  })
+}
\ No newline at end of file