# docker pull golang
# mkdir golang && vim main.go
package main
import (
“context”
“fmt”
“log”
“net/http”
“os”
“os/signal”
“syscall”
)
func main() {
mux := http.NewServeMux()
mux.Handle(“/”, &helloHandler{})
server := &http.Server{
Addr: “:8080”,
Handler: mux,
}
// 创建系统信号接收器
done := make(chan os.Signal)
signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-done
if err := server.Shutdown(context.Background()); err != nil {
log.Fatal(“Shutdown server:”, err)
}
}()
log.Println(“Starting HTTP server…”)
err := server.ListenAndServe()
if err != nil {
if err == http.ErrServerClosed {
log.Print(“Server closed under request”)
} else {
log.Fatal(“Server closed unexpected”)
}
}
}
type helloHandler struct{}
func (*helloHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, “Hello World”)
}
# docker run –rm -it –name go-http-demo -v $PWD:/go/src/example.com/go-http-demo -p 8000:8080 golang
root@9c3b8c8d9051:/go# cd /go/src/example.com/go-http-demo/
root@9c3b8c8d9051:/go/src/example.com/go-http-demo# ls
main.go
root@9c3b8c8d9051:/go/src/example.com/go-http-demo# go run main.go
2021/01/12 13:18:10 Starting HTTP server…
访问8000端口预览效果
