Dockerfile

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

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    sqlite

# Copy package files
COPY package*.json ./
COPY backend/package*.json ./backend/

# Install dependencies
RUN npm install
RUN cd backend && npm install

# Copy application code
COPY . .

# Build frontend assets (if needed)
# RUN npm run build

# Create data directory for SQLite
RUN mkdir -p /app/backend/data

# Expose port
EXPOSE 3000

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:3000/health || exit 1

# Start the application
CMD ["node", "backend/server.js"]