FROM node:20-alpine AS builder WORKDIR /app COPY package*.json . RUN npm ci COPY . . RUN npm run build RUN npm prune --production FROM node:20-alpine WORKDIR /app COPY --from=builder /app/build build/ COPY --from=builder /app/node_modules node_modules/ COPY package.json . EXPOSE 3000 ENV PORT 3000 ENV HOSTNAME "0.0.0.0" ENV NODE_ENV production CMD [ "node", "build" ]