Created
February 3, 2024 19:00
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Simple http server
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| package main | |
| import ( | |
| "context" | |
| "log/slog" | |
| "net/http" | |
| "os" | |
| "os/signal" | |
| "syscall" | |
| "time" | |
| ) | |
| func main() { | |
| s := &http.Server{ | |
| Addr: ":8080", | |
| Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | |
| slog.Info("server received request", "status", http.StatusOK) | |
| w.WriteHeader(200) | |
| }), | |
| } | |
| go func() { | |
| _ = s.ListenAndServe() | |
| }() | |
| quit := make(chan os.Signal) | |
| signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM) | |
| <-quit | |
| slog.Info("server received shutdown signal") | |
| // Graceful shutdown period | |
| ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) | |
| defer cancel() | |
| if err := s.Shutdown(ctx); err != nil { | |
| slog.Error("server Shutdown() failed", "err", err) | |
| return | |
| } | |
| select { | |
| case <-ctx.Done(): | |
| slog.Info("server shutdown timeout 5 seconds") | |
| } | |
| slog.Info("server exiting") | |
| } |
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