Collection of Minimal Go web server

go-min-server1.go

package main
import (
	"net/http"
)
func main() {
    http.Handle("/", http.FileServer(http.Dir(".")))
    http.ListenAndServe(":8080", nil)
}

go-min-server2.go

package main
import (
	"net/http"
	"time"
)
func main() {
    srv := &http.Server{
      Addr:           ":8080",
      Handler:        http.FileServer(http.Dir(".")),
      ReadTimeout:    10 * time.Second,
    }
    srv.ListenAndServe()
}

go-min-server3.go

package main
import (
  "net/http"
)
func main() {
  mux := http.NewServeMux()
  mux.Handle("/", http.FileServer(http.Dir(".")))
  http.ListenAndServe(":8080", mux)
}

go-min-server4.go

package main

import (
    "log"
    "net/http"
)

type LogRecord struct {
    http.ResponseWriter
    status int
}

func (r *LogRecord) Write(p []byte) (int, error) {
    return r.ResponseWriter.Write(p)
}

func (r *LogRecord) WriteHeader(status int) {
    r.status = status
    r.ResponseWriter.WriteHeader(status)
}

func WrapHandler(f http.Handler) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        record := &LogRecord{
            ResponseWriter: w,
        }

        f.ServeHTTP(record, r)

        log.Println("Bad Request ", record.status)

        if record.status == http.StatusBadRequest {
            log.Println("Bad Request ", r)
        }
    }
}

func main() {
    router := http.NewServeMux()

    s := &http.Server{
        Addr:    ":8080",
        Handler: WrapHandler(router),
    }
    log.Fatal(s.ListenAndServe())
}

go-min-server5.go

package main

import (
    "os"
	"os/signal"
    "syscall"
    "log"
    "net"
    "net/http"
    "time"
)

func main() {
    mux := http.NewServeMux()
    mux.Handle("/", http.FileServer(http.Dir(".")))
    server := &http.Server{Handler: mux}
    listener, err := net.Listen("tcp", ":8080")
    if nil != err {
        log.Fatalln(err)
    }
    ch := make(chan os.Signal)
    signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
    go server.Serve(listener)
    log.Println(<-ch)
    listener.Close()
    time.Sleep(60e9) // FIXME!
}