FROM node:lts-alpine as base WORKDIR /base COPY ./package.json ./package.json RUN yarn install COPY ./ ./ FROM base AS dev ENV NODE_ENV=development EXPOSE 3000 CMD ["yarn","dev"] FROM base AS build ENV NODE_ENV=production WORKDIR /build COPY --from=base /base ./ ADD "https://www.random.org/cgi-bin/randbyte?nbytes=10&format=h" skipcache RUN yarn build FROM nginx:stable AS prod COPY --from=build /build/dist /usr/share/nginx/html EXPOSE 3000