FROM node:24-slim

WORKDIR /app

RUN apt-get update && apt-get install -y \
    python3 \
    make \
    g++ \
    libc6 \
    && rm -rf /var/lib/apt/lists/*

COPY package.json package-lock.json ./

RUN npm install --prod

COPY server.js todo-service.js signal-crypto.js ./
COPY public/ ./public/

EXPOSE 3000

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