diff --git a/deploy_to_production.sh b/deploy_to_production.sh
index dec4cd9..522f953 100755
--- a/deploy_to_production.sh
+++ b/deploy_to_production.sh
@@ -7,19 +7,28 @@ REMOTE_USER="${USER}"
 REMOTE_HOST="jamulix.de"
 REMOTE_DIR="/var/www/jamulix.de/html"
 LOCAL_DIR="/home/dschlueter/neue_jamulix.de_landing_page/jamulix.de_webpage_2"
+SSH_SOCKET="/tmp/ssh-jamulix-deploy-$$"
+
+cleanup() {
+  ssh -S "$SSH_SOCKET" -O exit "$REMOTE_USER@$REMOTE_HOST" 2>/dev/null || true
+}
+trap cleanup EXIT
 
 echo "Starte Deployment auf $REMOTE_HOST..."
 
+# Einmalige Authentifizierung — alle folgenden SSH/rsync-Aufrufe nutzen diesen Socket
+ssh -M -S "$SSH_SOCKET" -o "ControlPersist=5m" -fN "$REMOTE_USER@$REMOTE_HOST"
+
 cd "$LOCAL_DIR"
 
 echo "Baue die Seite..."
 npm run build
 
 echo "Synchronisiere landingpage/ nach $REMOTE_USER@$REMOTE_HOST:$REMOTE_DIR/landingpage/..."
-rsync -av --delete landingpage/ "$REMOTE_USER@$REMOTE_HOST:$REMOTE_DIR/landingpage/"
+rsync -av --delete -e "ssh -S $SSH_SOCKET" landingpage/ "$REMOTE_USER@$REMOTE_HOST:$REMOTE_DIR/landingpage/"
 
 echo "Setze symbolischen Link: index.html → landingpage/index.html"
-ssh "$REMOTE_USER@$REMOTE_HOST" "rm -f '$REMOTE_DIR/index.html' && ln -s landingpage/index.html '$REMOTE_DIR/index.html'"
+ssh -S "$SSH_SOCKET" "$REMOTE_USER@$REMOTE_HOST" "rm -f '$REMOTE_DIR/index.html' && ln -s landingpage/index.html '$REMOTE_DIR/index.html'"
 
 echo ""
 echo "Deployment abgeschlossen: https://jamulix.de"