Remove arm64 from tag script

Author: pglombardo

bin/move_up_stable_tag.sh

@@ -26,10 +26,9 @@ for IMAGE in "${IMAGES[@]}"; do
   MANIFEST_JSON=$(docker manifest inspect "${IMAGE}:${SOURCE_TAG}")
 
   AMD64_DIGEST=$(echo "${MANIFEST_JSON}" | jq -r '.manifests[] | select(.platform.architecture == "amd64") | .digest' | head -n 1)
-  ARM64_DIGEST=$(echo "${MANIFEST_JSON}" | jq -r '.manifests[] | select(.platform.architecture == "arm64") | .digest' | head -n 1)
 
-  if [ -z "${AMD64_DIGEST}" ] || [ -z "${ARM64_DIGEST}" ]; then
-    echo "Error: Could not retrieve digests for ${IMAGE}:${SOURCE_TAG}"
+  if [ -z "${AMD64_DIGEST}" ]; then
+    echo "Error: Could not retrieve amd64 digest for ${IMAGE}:${SOURCE_TAG}"
     exit 1
   fi
 
@@ -38,12 +37,10 @@ for IMAGE in "${IMAGES[@]}"; do
 
   echo "Creating manifest for ${IMAGE}:${ALIAS_TAG}..."
   docker manifest create "${IMAGE}:${ALIAS_TAG}" \
-    "${IMAGE}@${AMD64_DIGEST}" \
-    "${IMAGE}@${ARM64_DIGEST}"
+    "${IMAGE}@${AMD64_DIGEST}"
 
-  echo "Annotating platforms for ${IMAGE}:${ALIAS_TAG}..."
+  echo "Annotating platform for ${IMAGE}:${ALIAS_TAG}..."
   docker manifest annotate "${IMAGE}:${ALIAS_TAG}" "${IMAGE}@${AMD64_DIGEST}" --arch amd64
-  docker manifest annotate "${IMAGE}:${ALIAS_TAG}" "${IMAGE}@${ARM64_DIGEST}" --arch arm64
 
   echo "Pushing manifest for ${IMAGE}:${ALIAS_TAG}..."
   docker manifest push --purge "${IMAGE}:${ALIAS_TAG}"