FROM node:20-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    curl wget ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY package.json ./
RUN npm install --production

COPY . .

ENV PORT=7860
EXPOSE 7860

HEALTHCHECK --interval=60s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

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