FROM node:20-alpine

ARG NPM_REGISTRY=https://registry.npmjs.org

WORKDIR /app
ENV NODE_ENV=production

COPY emp_ws/package*.json ./
RUN npm config set registry "$NPM_REGISTRY" \
    && npm install --omit=dev

COPY emp_ws ./
RUN mkdir -p runtime

EXPOSE 3000
CMD ["node", "server.js"]