Umbau auf Alpine.js

Dockerfile

@@ -1,25 +1,15 @@
-# ---- 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
+FROM node:20-slim
+WORKDIR /app/backend
 
 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
+COPY frontend/ /app/frontend
 
 ENV NODE_ENV=production
-ENV PORT=3000
+ENV PORT=3001
 
-EXPOSE 3000
+EXPOSE 3001
 
 CMD ["node", "src/index.js"]