# --- Build stage --- FROM node:19 as build ENV NODE_ENV=production WORKDIR /app COPY package*.json ./ RUN npm ci COPY . ./ RUN npm run build # --- Production stage --- FROM node:19-alpine3.16 COPY --from=build /app . ENV HOST=0.0.0.0 EXPOSE 4173 CMD ["npm", "run", "preview","--", "--host", "0.0.0.0"]