FROM node:20-alpine

# Set up the working directory inside the pre-existing node user's home
WORKDIR /home/node/app

# Copy dependency configs and adjust ownership to the 'node' user
COPY --chown=node:node package*.json ./
RUN npm install

# Copy the rest of your server code
COPY --chown=node:node . .

# Switch to the non-root node user for Hugging Face security
USER node

# Expose the mandatory Hugging Face port
EXPOSE 7860
ENV PORT=7860

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