Dateien nach "backend" hochladen

backend/Dockerfile

@@ -0,0 +1,18 @@
+# ── Stage 1: React bauen ─────────────────────────────────────────────────────
+FROM node:20-alpine AS builder
+WORKDIR /build
+COPY frontend/package.json ./
+RUN npm install
+COPY frontend/ ./
+RUN npm run build
+
+# ── Stage 2: Express liefert API + React in einem Container ──────────────────
+FROM node:20-alpine
+WORKDIR /app
+COPY backend/package.json ./
+RUN npm install --production
+COPY backend/ ./
+COPY version.txt ./version.txt
+COPY --from=builder /build/dist ./public
+EXPOSE 4000
+CMD ["node", "src/index.js"]