FROM node:20-alpine
WORKDIR /app
COPY package.json ./
RUN npm install --omit=dev
# OpenCV.js WASM for the v3 board-solve engine — fetched at build time so the
# repo stays small. Pinned to the build validated against the solver tests.
RUN npm install --no-save @techstark/opencv-js@4.12.0-release.1 \
 && mkdir -p public/vendor \
 && cp node_modules/@techstark/opencv-js/dist/opencv.js public/vendor/opencv.js \
 && rm -rf node_modules/@techstark
COPY server ./server
COPY data ./data
COPY public ./public
ENV PORT=33044
ENV LIVE_DIR=/app/data/live
EXPOSE 33044
CMD ["node", "server/server.js"]