FROM node AS client-env WORKDIR /client COPY client/package.json /client/ RUN yarn COPY client/ /client/ RUN yarn build FROM node WORKDIR /server COPY server/package.json /server/ RUN yarn COPY server/ /server/ RUN yarn build COPY --from=client-env /client/dist/ /server/static/ EXPOSE 3000 CMD ["node", "main.js"]