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1package main23import (4	"context"5	"fmt"6	"log/slog"7	"net/http"8	"os/signal"9	"syscall"10	"time"11)1213func main() {14	mux := http.NewServeMux()15	mux.HandleFunc("GET /health", func(w http.ResponseWriter, r *http.Request) {16		fmt.Fprintln(w, "ok")17	})1819	srv := &http.Server{Addr: ":8080", Handler: mux, ReadTimeout: 5 * time.Second}20	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)21	defer stop()2223	go func() {24		slog.Info("listening", "addr", srv.Addr)25		if err := srv.ListenAndServe(); err != http.ErrServerClosed {26			slog.Error("server error", "err", err)27		}28	}()2930	<-ctx.Done()31	shutCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)32	defer cancel()33	srv.Shutdown(shutCtx) //nolint:errcheck34}