# Multi-Stage: Backend + Frontend
FROM node:22-alpine AS backend-build
WORKDIR /app/backend
COPY backend/package*.json ./
RUN npm ci --only=production
COPY backend/ ./

FROM node:22-alpine AS frontend-build
WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

FROM node:22-alpine
WORKDIR /app
RUN apk add --no-cache curl

# Backend
COPY --from=backend-build /app/backend /app/backend
WORKDIR /app/backend

# Frontend
COPY --from=frontend-build /app/frontend/dist /app/frontend/dist

# Serve Backend auf 5000
EXPOSE 5000
CMD ["node", "server.js"]