Merge pull request #113 from shihanng/graceful

Use buffered channel for graceful shutdown

Author: lammel

cookbook/graceful-shutdown/server.go

@@ -27,9 +27,9 @@ func main() {
 		}
 	}()
 
-	// Wait for interrupt signal to gracefully shutdown the server with
-	// a timeout of 10 seconds.
-	quit := make(chan os.Signal)
+	// Wait for interrupt signal to gracefully shutdown the server with a timeout of 10 seconds. 
+	// Use a buffered channel to avoid missing signals as recommended for signal.Notify
+	quit := make(chan os.Signal, 1)
 	signal.Notify(quit, os.Interrupt)
 	<-quit
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)