FROM node:18-bullseye-slim RUN mkdir -p /usr/src/frontend # specifying the working dir inside the container WORKDIR /usr/src/frontend # copy current workdir COPY package.json package.json COPY package-lock.json package-lock.json COPY entrypoint.sh entrypoint.sh RUN chmod +x entrypoint.sh # install packages RUN npm install RUN mv node_modules /tmp/node_modules ENTRYPOINT [ "/usr/src/frontend/entrypoint.sh" ] CMD ["npm", "run", "build"]