diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..b04c051
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+node_modules
+__pycache__
+*.pyc
+frontend/.env
+frontend/dist
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..354c3b1
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,28 @@
+# --- 1. Frontend bauen ---
+FROM node:20 AS frontend-build
+WORKDIR /app
+COPY frontend ./frontend
+WORKDIR /app/frontend
+RUN npm install && npm run build
+
+# --- 2. Backend-Stage ---
+FROM python:3.13
+WORKDIR /app
+
+# Backend-Dateien korrekt kopieren
+COPY backend/app.py ./backend/app.py
+COPY backend/datenbankverbindung.py ./backend/datenbankverbindung.py
+COPY backend/templates ./backend/templates
+COPY backend/config ./config
+COPY backend/requirements.txt ./requirements.txt
+
+# Frontend aus Build-Stage übernehmen
+COPY --from=frontend-build /app/frontend/dist ./frontend/dist
+
+# Python-Abhängigkeiten installieren
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Flask starten
+WORKDIR /app/backend
+EXPOSE 5000
+CMD ["python", "app.py"]
diff --git a/backend/app.py b/backend/app.py
index 792cd7d..62ce5f0 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -157,4 +157,4 @@ def hash_md5():
 
 if __name__ == '__main__':
     os.makedirs("config", exist_ok=True)
-    app.run(host='127.0.0.1', port=5000)
+    app.run(host='0.0.0.0', port=5000)
diff --git a/backend/requirements.txt b/backend/requirements.txt
index f041604..9ebfc05 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -3,3 +3,4 @@ flask-cors
 mysql-connector-python
 werkzeug>=2.3
 PyJWT
+python-dotenv
\ No newline at end of file