FROM node:latest AS build WORKDIR /build # Copy source files COPY src src COPY public public COPY package.json package.json COPY package-lock.json package-lock.json # Install dependencies & build RUN npm install RUN npm run build # Final image FROM node:latest AS final WORKDIR /app EXPOSE 3000 # Install serve for serving RUN npm install -g serve # Copy build COPY --from=build /build/build/ /app/ ENTRYPOINT [ "serve", "-s", "/app" ]