# Build context : racine du projet (budget-commun/)

# ── Stage 1 : Build React ─────────────────────────────────────
FROM node:20-alpine AS frontend-builder
WORKDIR /build
COPY frontend/package.json .
RUN npm install
COPY frontend .
RUN npx vite build --outDir /dist --emptyOutDir

# ── Stage 2 : Backend Node.js ──────────────────────────────────
FROM node:20-alpine
WORKDIR /app
COPY backend/package.json .
RUN npm install --production
COPY backend .
COPY --from=frontend-builder /dist ./public
EXPOSE 3000
CMD ["node", "server.js"]