Dockerfile

# Bolt Run backend — Hugging Face Docker Space
FROM node:20-slim

WORKDIR /app

# Install production deps first (better layer caching)
COPY package.json package-lock.json* ./
RUN npm install --omit=dev

# App source
COPY src ./src

ENV NODE_ENV=production
# Hugging Face Spaces route to port 7860 by default (see app_port in README.md)
ENV PORT=7860
EXPOSE 7860

# HF Spaces run the container as uid 1000 — node:20 ships a matching `node` user
USER node

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