FROM node:20-slim

# Install build dependencies for isolated-vm
RUN apt-get update && apt-get install -y \
    python3 \
    make \
    g++ \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy package files
COPY package.json ./

# Install dependencies
RUN npm install --production

# Copy application code
COPY server.js ./

# Create cache directory
RUN mkdir -p /tmp/.tpmjs-cache

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1); })"

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