Fix target sync image

hack/real-image.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+function guess_image() {
+    local image="${1}"
+
+    if [[ -z "${image}" ]]; then
+        return
+    fi
+
+    if [[ "${image}" =~ ^"docker.io/"* ]]; then
+        image="registry-1.${image}"
+    fi
+
+    if [[ "${image}" =~ ^"registry-1.docker.io/"[^/]+$ ]]; then
+        image="registry-1.docker.io/library/${image#*/}"
+    fi
+
+    echo "${image}"
+}
+
+guess_image "${1}"