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example: add bootstrap for app engine apps with a single module
Change-Id: I093602219ae8612128aa7d0029a49ede1aa431a8 Reviewed-on: https://go-review.googlesource.com/2483 Reviewed-by: Andrew Gerrand <[email protected]>
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‎README.md‎

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@@ -42,3 +42,11 @@ Topics covered:
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* Dependency injection
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* Time ([time](//golang.org/pkg/time/))
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### [appengine-hello](appengine-hello/) ([godoc](//godoc.org/github.com/golang/example/appengine-hello))
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goapp get github.com/golang/example/appengine-hello
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A trivial "Hello, world" App Engine application intended to be used as the
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starting point for your own code.
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_Note_: The `goapp` tool is part of the [Google App Engine SDK for Go](https://cloud.google.com/appengine/downloads#Google_App_Engine_SDK_for_Go).

‎appengine-hello/README.md‎

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This code is a starting point for your Google App Engine application in
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Go.
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To run the application locally you need the install the [Go Cloud
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SDK](https://cloud.google.com/sdk/) and execute the next command from
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the directory containing this file:
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$ goapp serve app.yaml
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To deploy the application you have to first create an App Engine project
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and use it as the application file in all the yaml files.

‎appengine-hello/app.go‎

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// Copyright 2015 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package hello is a simple App Engine application that replies to requests
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// on /hello with a welcoming message.
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package hello
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import (
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"fmt"
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"net/http"
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)
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// init is run before the application starts serving.
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func init() {
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// Handle all requests with path /hello with the helloHandler function.
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http.HandleFunc("/hello", helloHandler)
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}
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func helloHandler(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "Hello from the Go app")
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}

‎appengine-hello/app.yaml‎

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# Copyright 2015 Google Inc. All rights reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http:#www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to writing, software distributed
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# under the License is distributed on a "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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application: you-application-id
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version: 1
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runtime: go
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api_version: go1
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handlers:
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- url: /hello
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script: _go_app
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- url: /favicon.ico
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static_files: static/favicon.ico
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upload: static/favicon.ico
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- url: /
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static_files: static/index.html
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upload: static/index.html
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- url: /
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static_dir: static

‎appengine-hello/static/favicon.ico‎

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‎appengine-hello/static/index.html‎

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<!DOCTYPE html>
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<!--
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Copyright 2015 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html>
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<head>
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<title>Hello, world</title>
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<link rel="stylesheet" href="/style.css">
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<script src="/script.js"></script>
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</head>
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<body>
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<h1>Hello, world</h1>
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<button onclick="fetchMessage()">Fetch Message</button>
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<p id="message">Click on the button to fetch the message.</p>
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</body>
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</html>

‎appengine-hello/static/script.js‎

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/*
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Copyright 2015 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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"use strict";
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function fetchMessage() {
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var xmlHttp = new XMLHttpRequest();
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xmlHttp.open("GET", "/hello", false);
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xmlHttp.send(null);
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document.getElementById("message").innerHTML = xmlHttp.responseText;
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}

‎appengine-hello/static/style.css‎

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/*
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Copyright 2015 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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h1 {
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text-align: center;
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}

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