FROM node:20-alpine

WORKDIR /app

# Copy package files and install dependencies
COPY package*.json ./
RUN npm ci --omit=dev

# Copy application files
COPY server.js ./
COPY public/ ./public/
COPY ai/ ./ai/

# Hugging Face Spaces runs containers as root by default,
# which gives us write access to the /data persistent storage bucket
CMD ["node", "server.js"]

EXPOSE 7860

ENV PORT=7860
ENV NODE_ENV=production