diff --git a/Dockerfile b/Dockerfile
index c0d61ee..1929169 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN npm run build
 
 # ── Stage 2: Express liefert API + React in einem Container ──────────────────
 FROM node:20-alpine
-RUN apk add --no-cache tzdata
+RUN apk add --no-cache tzdata python3 make g++
 WORKDIR /app
 COPY backend/package.json ./
 RUN npm install --production