initial

Dockerfile

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+# ---- Stage 1: Frontend bauen ----
+FROM node:20-slim AS frontend-build
+WORKDIR /app/frontend
+COPY frontend/package.json ./
+RUN npm install
+COPY frontend/ ./
+RUN npm run build
+
+# ---- Stage 2: Backend + gebautes Frontend ----
+FROM node:20-slim AS runtime
+WORKDIR /app
+
+COPY backend/package.json ./
+RUN npm install --omit=dev
+
+COPY backend/ ./
+# Vom Build-Stage kommt das fertige Frontend nach backend/public
+COPY --from=frontend-build /app/backend/public ./public
+
+ENV NODE_ENV=production
+ENV PORT=3000
+
+EXPOSE 3000
+
+CMD ["node", "src/index.js"]