Dockerfile

# Use Node.js 18 LTS Alpine for smaller image size
FROM node:18-alpine

# Set working directory
WORKDIR /app

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

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production && npm cache clean --force

# Copy application code
COPY src/ ./src/
COPY config/ ./config/
COPY docs/ ./docs/

# Create necessary directories
RUN mkdir -p logs data

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

# Change ownership of app directory
RUN chown -R nodejs:nodejs /app
USER nodejs

# 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) \
    }).on('error', () => process.exit(1))"

# Start the application
CMD ["node", "src/main.js"]