# Build stage FROM node:18-slim AS builder WORKDIR /app COPY package*.json ./ RUN npm install --production COPY . . # Production stage FROM node:18-slim WORKDIR /app COPY --from=builder /app/package*.json ./ COPY --from=builder /app/node_modules ./node_modules COPY --from=builder /app/index.js ./ COPY --from=builder /app/public ./public EXPOSE 3000 CMD ["node", "index.js"]