Support HTTP/JSON to dubbo (#340)

tools/hack/docker-pull-image.sh

@@ -0,0 +1,31 @@
+# Copyright (c) 2022 Alibaba Group Holding Ltd.
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#      http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# Docker variables
+readonly IMAGE="$1"
+readonly TAG="$2"
+
+docker::image::pull() {
+    docker pull "$@"
+}
+
+# Pull the docker image to the the local.
+echo "Pulling image ${IMAGE}:${TAG} to local ..."
+docker::image::pull "${IMAGE}:${TAG}"