Dockerfile

# Dockerfile
FROM node:20-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    python3 \
    git \
    make \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy root package files and install
COPY package*.json ./
RUN npm install

# Copy server file
COPY server.js ./

# Copy frontend folder
COPY frontend ./frontend

# Build frontend
WORKDIR /app/frontend
RUN npm install && npm run build

# Back to root
WORKDIR /app

# Expose port 7860 (required by Hugging Face)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:7860/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

RUN chmod -R 777 /app

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