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helloworld.go
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/
helloworld.go
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// Copyright 2018 The Go Cloud Development Kit 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
//
// https://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 simple "hello world" application using server.Server, to be run on
// Google App Engine (GAE).
package main
import (
"fmt"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
"github.com/hy9be/gocloud/server"
)
func main() {
r := mux.NewRouter()
r.HandleFunc("/", handle)
port := os.Getenv("PORT")
if port == "" {
port = "8080"
}
srv := server.New(r, nil)
log.Printf("Listening on port %s", port)
log.Fatal(srv.ListenAndServe(fmt.Sprintf(":%s", port)))
}
func handle(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
fmt.Fprint(w, "Hello world!")
}