# Use Node.js LTS base image
FROM node:20

# Set working directory
WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./

# Install dependencies
RUN npm install

# Copy the rest of the app
COPY . .

# Use HF Spaces port
ENV PORT=7860
EXPOSE 7860

# Install curl for optional healthcheck
RUN apt-get update && apt-get install -y curl

# Optional: Healthcheck
HEALTHCHECK --interval=10s --timeout=5s --start-period=5s \
  CMD curl -f http://localhost:$PORT/api/shadow/status || exit 1

# Start the backend
CMD ["npm", "start"]