diff --git a/Dockerfile b/Dockerfile
index 73df5de..64f613d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,6 +31,7 @@ RUN npm ci --only=production
 
 # Backend-Code kopieren
 COPY backend/ ./
+COPY backend/docker-entrypoint.sh ./docker-entrypoint.sh
 
 # public leeren
 RUN rm -rf ./public/*
@@ -38,6 +39,9 @@ RUN rm -rf ./public/*
 # frische Datenbank vorbereiten
 RUN rm -rf ./data && mkdir -p ./data && chown node:node ./data
 
+# EntryPoint vorbereiten
+RUN chmod +x ./docker-entrypoint.sh && chown node:node ./docker-entrypoint.sh
+
 # Inhalt von dist inklusive Unterordner direkt nach public kopieren
 COPY --from=frontend-build /app/frontend/dist/. ./public/
 
@@ -53,4 +57,5 @@ EXPOSE 5173
 USER node
 
 # Container startet das Backend (liefert statisches Frontend)
+ENTRYPOINT ["./docker-entrypoint.sh"]
 CMD ["node", "index.js"]
diff --git a/backend/docker-entrypoint.sh b/backend/docker-entrypoint.sh
new file mode 100644
index 0000000..4585dd3
--- /dev/null
+++ b/backend/docker-entrypoint.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+echo "🔧 Starte Migration (idempotent)..."
+node db/migrate.js
+
+echo "✅ Migration abgeschlossen. Starte Anwendung..."
+exec "$@"