Minimal net/http Server

package main

import (
    "fmt"
    "log"
    "net/http"
)

func main() {
    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintf(w, "Hello, %s!\n", r.URL.Path[1:])
    })

    http.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) {
        w.WriteHeader(http.StatusOK)
        w.Write([]byte("ok"))
    })

    log.Println("listening on :8080")
    log.Fatal(http.ListenAndServe(":8080", nil))
}

// Production tip: use http.Server with explicit timeouts instead of ListenAndServe —
//     srv := &http.Server{
//         Addr:         ":8080",
//         ReadTimeout:  5  * time.Second,
//         WriteTimeout: 10 * time.Second,
//         IdleTimeout:  120 * time.Second,
//         Handler:      mux,
//     }
//     log.Fatal(srv.ListenAndServe())