Replace godep with dep

vendor/k8s.io/kubernetes/examples/guestbook-go/Dockerfile

@@ -0,0 +1,24 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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.
+
+FROM busybox:ubuntu-14.04
+
+ADD ./guestbook_bin /app/guestbook
+ADD ./public/index.html /app/public/index.html
+ADD ./public/script.js /app/public/script.js
+ADD ./public/style.css /app/public/style.css
+
+WORKDIR /app
+CMD ["./guestbook"]
+EXPOSE 3000