{ "schemaVersion": 2, "dockerfileLines": [ "FROM node:20-alpine", "RUN mkdir -p /usr/src/app", "WORKDIR /usr/src/app", "COPY ./ /usr/src/app", "RUN npm install && npm cache clean --force && npm run build", "ENV NODE_ENV production", "ENV PORT 80", "EXPOSE 80", "CMD [ \"npm\", \"start\" ]" ] }