FROM node:20-bullseye-slim
ENV npm_config_registry=https://registry.npmmirror.com
ENV npm_config_build_from_source=true

# Build prerequisites for native modules (better-sqlite3)
RUN apt-get update \
    && apt-get install -y --no-install-recommends python3 make g++ \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Use host-built frontend; only run server here
COPY server/package.json server/tsconfig.json ./server/
COPY server/src ./server/src

RUN cd server && npm install --build-from-source && npm run build

EXPOSE 3004
CMD ["node", "server/dist/index.js"]