# Use Node.js 18 LTS as base image
FROM node:18-slim

# Set working directory
WORKDIR /app

# Install system dependencies for TensorFlow.js and Canvas
RUN apt-get update && apt-get install -y \
    python3 \
    python3-pip \
    build-essential \
    libcairo2-dev \
    libpango1.0-dev \
    libjpeg-dev \
    libgif-dev \
    librsvg2-dev \
    pkg-config \
    && rm -rf /var/lib/apt/lists/*

# Copy package files
COPY package*.json ./

# Install Node.js dependencies
RUN npm install --production

# Copy application code
COPY . .

# Make start script executable
RUN chmod +x start.sh

# Expose port for Hugging Face Spaces
EXPOSE 7860

# Set environment variables
ENV NODE_ENV=production
ENV PORT=7860

# Start the server
CMD ["./start.sh"]