# Stage 1: build the React client
FROM node:20-alpine AS client-build

WORKDIR /app/client

COPY client/package.json ./
RUN npm install

COPY client/ ./
RUN npm run build

# Stage 2: production server
FROM node:20-alpine AS production

WORKDIR /app/server

COPY server/package.json ./
RUN npm install --omit=dev

COPY server/ ./

# Copy built client assets
COPY --from=client-build /app/client/dist /app/client/dist

EXPOSE 3000

CMD ["node", "src/index.js"]