fix: defers after checking for err

cli/app/logs.go

@@ -42,6 +42,10 @@ func stackLogs(stackName string, client *dockerClient.Client) {
 				Timestamps: true,
 			}
 			logs, err := client.ServiceLogs(ctx, s, logOpts)
+			if err != nil {
+				logrus.Fatal(err)
+			}
+			// defer after err check as any err returns a nil io.ReadCloser
 			defer logs.Close()
 
 			_, err = io.Copy(os.Stdout, logs)
@@ -107,6 +111,10 @@ var appLogsCommand = &cli.Command{
 			Timestamps: true,
 		}
 		logs, err := cl.ServiceLogs(ctx, services[0].ID, logOpts)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+		// defer after err check as any err returns a nil io.ReadCloser
 		defer logs.Close()
 
 		_, err = io.Copy(os.Stdout, logs)