FROM node:22-bookworm-slim AS build
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:22-bookworm-slim
RUN apt-get update && apt-get install -y --no-install-recommends stockfish && rm -rf /var/lib/apt/lists/*
WORKDIR /app
ENV NODE_ENV=production PORT=3000 STOCKFISH_PATH=/usr/games/stockfish
COPY package*.json ./
RUN npm ci --omit=dev
COPY --from=build /app/dist ./dist
COPY server ./server
EXPOSE 3000
CMD ["node", "server/index.js"]