delete unused image hello-kubernetes

build/hello-kubernetes/Dockerfile

-FROM scratch
-ADD hello /
-EXPOSE 8080
-ENTRYPOINT ["/hello"]

build/hello-kubernetes/hello.go

-/*
-Copyright 2014 The Kubernetes Authors All rights reserved.
-
-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.
-*/
-
-package main
-
-import (
-	"fmt"
-	"net/http"
-)
-
-func main() {
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		fmt.Fprintln(w, "Hello World! -- Kubernetes")
-	})
-	if err := http.ListenAndServe(":8080", nil); err != nil {
-		panic("ListenAndServe: " + err.Error())
-	}
-}

build/hello-kubernetes/prepare.sh

-#!/bin/bash
-
-# Copyright 2014 The Kubernetes Authors All rights reserved.
-#
-# 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.
-
-set -e
-set -x
-
-CGO_ENABLED=0 go build -a -installsuffix cgo -ldflags '-extldflags "-static" -s' hello.go