campoy/home.tmpl

## home.tmpl
<html>
<head>
	<title>Hello, from Go</title>
</head>
<body>
	<h1>Hello</h1>
	<p>
	This is Go code running, {{.}}
	</p>
</body>
</html>

## main.go
// Copyright 2016 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 writing, software distributed
// under the License is distributed on a "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 (
	"html/template"
	"log"
	"net/http"
	"os"
	"os/exec"
)

const (
	listen = "localhost:2016"
	chrome = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
)

func main() {
	http.HandleFunc("/", handler)
	errc := make(chan error)
	go func() { errc <- http.ListenAndServe(listen, nil) }()
	if err := exec.Command(chrome, "--app=http://"+listen).Run(); err != nil {
		log.Fatal(err)
	}
	log.Fatal(<-errc)
}

var tmpl = template.Must(template.ParseFiles("home.tmpl"))

func handler(w http.ResponseWriter, r *http.Request) {
	if err := tmpl.Execute(w, os.Getenv("USER")); err != nil {
		log.Printf("could not render home: %v", err)
	}
}
	<html>
	<head>
	<title>Hello, from Go</title>
	</head>
	<body>
	<h1>Hello</h1>
	<p>
	This is Go code running, {{.}}
	</p>
	</body>
	</html>
	// Copyright 2016 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 writing, software distributed
	// under the License is distributed on a "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 (
	"html/template"
	"log"
	"net/http"
	"os"
	"os/exec"
	)

	const (
	listen = "localhost:2016"
	chrome = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
	)

	func main() {
	http.HandleFunc("/", handler)
	errc := make(chan error)
	go func() { errc <- http.ListenAndServe(listen, nil) }()
	if err := exec.Command(chrome, "--app=http://"+listen).Run(); err != nil {
	log.Fatal(err)
	}
	log.Fatal(<-errc)
	}

	var tmpl = template.Must(template.ParseFiles("home.tmpl"))

	func handler(w http.ResponseWriter, r *http.Request) {
	if err := tmpl.Execute(w, os.Getenv("USER")); err != nil {
	log.Printf("could not render home: %v", err)
	}
	}