FROM node AS builder WORKDIR / COPY ./src /src COPY ./package*.json ./ COPY ./gulpfile.js ./ COPY ./tsconfig.json ./ RUN npm install RUN npm install -g gulp RUN npm install gulp RUN gulp FROM node COPY --from=builder /dist . COPY --from=builder ./package*.json ./ RUN npm install --production EXPOSE 4000 CMD ["npm", "start"]