Change update example to use a trivial webserver instead of nginx (issue #1803).

contrib/for-demos/test-webserver/Dockerfile

@@ -0,0 +1,19 @@
+# Copyright 2014 Google Inc. 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.
+
+FROM scratch
+MAINTAINER David Oppenheimer <davidopp@google.com>
+ADD test-webserver test-webserver
+EXPOSE 80
+ENTRYPOINT ["/test-webserver"]

contrib/for-demos/test-webserver/Makefile

@@ -0,0 +1,13 @@
+all: push
+
+test-webserver: test-webserver.go
+	CGO_ENABLED=0 GOOS=linux go build -a -tags netgo -ldflags '-w' ./test-webserver.go
+
+container: test-webserver
+	sudo docker build -t kubernetes/test-webserver .
+
+push: container
+	sudo docker push kubernetes/test-webserver
+
+clean:
+	rm -f test-webserver

contrib/for-demos/test-webserver/test-webserver.go

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+/*
+Copyright 2014 Google Inc. 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.
+*/
+
+// A tiny web server that serves a static file.
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+)
+
+var (
+	port = flag.Int("port", 80, "Port number.")
+)
+
+func main() {
+	flag.Parse()
+
+	fs := http.StripPrefix("/", http.FileServer(http.Dir("/")))
+
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Cache-Control", "private")
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Credentials", "true")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type")
+		fs.ServeHTTP(w, r)
+	})
+
+	go log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *port), nil))
+
+	select {}
+}