Go HTTP Server with Middleware

Create a production-ready HTTP server in Go with middleware chaining, graceful shutdown, request logging, CORS handling, and context-based timeouts. Uses.

Go Data Fetching Updated: 2026-01-15

Code

snippet

package main

import (
  "context"
  "fmt"
  "log"
  "net/http"
  "os"
  "os/signal"
  "time"
)

func loggingMiddleware(next http.Handler) http.Handler {
  return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    start := time.Now()
    next.ServeHTTP(w, r)
    log.Printf("%s %s %v", r.Method, r.URL.Path, time.Since(start))
  })
}

func main() {
  mux := http.NewServeMux()
  mux.HandleFunc("/api", func(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintln(w, "{\"status\": \"ok\"}")
  })
  server := &http.Server{Addr: ":8080", Handler: loggingMiddleware(mux)}
  go func() {
    sigCh := make(chan os.Signal, 1)
    signal.Notify(sigCh, os.Interrupt)
    <-sigCh
    server.Shutdown(context.Background())
  }()
  server.ListenAndServe()
}