gracefull shutdown

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

cmd/clonepack/serve.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"time"
 	"os/signal"
 	"syscall"
 
@@ -54,7 +55,20 @@ var serveCmd = &cobra.Command{
 		syncSvc.StartScheduler(ctx, cfg.Sync.IntervalDuration())
 
 		addr := fmt.Sprintf("%s:%d", cfg.Server.Host, cfg.Server.Port)
+		srv := &http.Server{Addr: addr, Handler: router}
+
+		go func() {
 			log.Printf("ClonePack listening on %s", addr)
-		return http.ListenAndServe(addr, router)
+			if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+				log.Printf("server error: %v", err)
+			}
+		}()
+
+		<-ctx.Done()
+		log.Printf("shutting down...")
+
+		shutdownCtx, cancel2 := context.WithTimeout(context.Background(), 30*time.Second)
+		defer cancel2()
+		return srv.Shutdown(shutdownCtx)
 	},
 }