entrypoint added

entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -e  # Exit immediately if a command fails
+
+REPO_NAME="$1"
+KEEP_IMAGES="$2"
+
+if [ -z "$REPO_NAME" ] || [ -z "$KEEP_IMAGES" ]; then
+  echo "Usage: ./entrypoint.sh <ECR_REPOSITORY> <NUMBER_TO_KEEP>"
+  exit 1
+fi
+
+echo "Cleaning up ECR repository: $REPO_NAME"
+echo "Keeping the latest $KEEP_IMAGES images..."
+
+# Get image digests sorted by push time, keeping only older images beyond the most recent $KEEP_IMAGES
+DIGESTS=$(aws ecr describe-images --repository-name "$REPO_NAME" --query "sort_by(imageDetails, &imagePushedAt)[0:-$KEEP_IMAGES].imageDigest" --output json | jq -r '.[]')
+
+if [ -z "$DIGESTS" ]; then
+  echo "No old images to delete."
+else
+  echo "The following images will be deleted: $DIGESTS"
+
+  # Format for batch delete
+  IMAGE_IDS=$(echo "$DIGESTS" | jq -R '[{"imageDigest": .}]' | jq -s '{imageIds: add}')
+
+  echo "Final JSON Payload for Deletion:"
+  echo "$IMAGE_IDS"
+
+  aws ecr batch-delete-image --repository-name "$REPO_NAME" --cli-input-json "$IMAGE_IDS"
+fi