Dockerfile

# syntax=docker/dockerfile:1

FROM node:20-bookworm-slim

WORKDIR /app

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

# Copy the rest of the source
COPY . .

# Writable dir for uploaded files (Hugging Face runs containers as non-root)
RUN mkdir -p /app/public/uploads \
    && chmod -R 777 /app/public/uploads

ENV NODE_ENV=production
# Hugging Face Spaces expects the app to listen on port 7860
ENV PORT=7860

EXPOSE 7860

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