Fix TLS logic so containers can be started multiple times

cmd/runmqdevserver/tls.go

@@ -51,10 +51,21 @@ func configureWebTLS(cms *KeyStore) error {
 	if err != nil {
 		return err
 	}
-	err = os.Rename(newTLSConfig, tlsConfig)
+	// we symlink here to prevent issues on restart
+	err = os.Symlink(newTLSConfig, tlsConfig)
 	if err != nil {
 		return err
 	}
+	mqmUID, mqmGID, err := command.LookupMQM()
+	if err != nil {
+		log.Error(err)
+		return err
+	}
+	err = os.Chown(tlsConfig, mqmUID, mqmGID)
+	if err != nil {
+		log.Error(err)
+		return err
+	}
 
 	return nil
 }