feat: Add Dockerfile for containerization

- Add Dockerfile for Python MCP server deployment
- Add .dockerignore for optimized builds
- Support container-based MCP server deployment

.dockerignore

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+# Dependencies
+node_modules/
+.npm/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Build outputs
+dist/
+build/
+out/
+
+# Logs
+logs/
+*.log
+
+# IDE files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Testing
+coverage/
+.nyc_output/
+*.lcov
+
+# Environment files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+.env.*.local
+
+# Git
+.git/
+.gitignore
+
+# Docker
+.dockerignore
+Dockerfile*
+docker-compose*.yml
+
+# CI/CD
+.github/
+.gitlab-ci.yml
+.travis.yml
+.circleci/
+
+# Cache directories
+.cache/
+.parcel-cache/
+.eslintcache
+.yarn-integrity
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Runtime data
+pids/
+*.pid
+*.seed
+*.pid.lock
+
+# Documentation
+README.md
+CHANGELOG.md
+*.md
+
+# Temporary files
+.tmp/
+temp/
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Jest
+jest.config.*
+
+# Misc
+*.tar.gz
+*.zip

Dockerfile

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+# Production-ready Dockerfile for Hanzo MCP Server
+# Multi-stage build optimized for TypeScript CLI applications
+
+# ===== Base Stage =====
+FROM node:20-alpine AS base
+
+# Install system dependencies and security updates
+RUN apk update && apk upgrade && \
+    apk add --no-cache \
+    dumb-init \
+    tini \
+    ca-certificates && \
+    rm -rf /var/cache/apk/*
+
+# Create app directory with proper permissions
+WORKDIR /app
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 mcp && \
+    chown -R mcp:nodejs /app
+
+# ===== Dependencies Stage =====
+FROM base AS deps
+
+# Copy package files
+COPY --chown=mcp:nodejs package.json package-lock.json* ./
+
+# Switch to mcp user for security
+USER mcp
+
+# Install dependencies
+RUN npm ci --only=production && npm cache clean --force
+
+# Install dev dependencies for building
+RUN npm ci
+
+# ===== Builder Stage =====
+FROM deps AS builder
+
+# Copy source code
+COPY --chown=mcp:nodejs . .
+
+# Build the application
+RUN npm run build
+
+# ===== Development Stage =====
+FROM deps AS development
+
+# Copy source code
+COPY --chown=mcp:nodejs . .
+
+# Set environment
+ENV NODE_ENV=development
+
+# Development command with hot reload
+CMD ["npm", "run", "dev"]
+
+# ===== Production Stage =====
+FROM base AS production
+
+# Install only runtime dependencies
+COPY --chown=mcp:nodejs package.json package-lock.json* ./
+
+# Switch to mcp user for security
+USER mcp
+
+# Install only production dependencies
+RUN npm ci --only=production && npm cache clean --force
+
+# Copy built application from builder
+COPY --from=builder --chown=mcp:nodejs /app/dist ./dist
+
+# Make CLI executable
+RUN chmod +x ./dist/cli.js
+
+# Set environment variables
+ENV NODE_ENV=production
+
+# Create symlink for global access (optional)
+USER root
+RUN ln -sf /app/dist/cli.js /usr/local/bin/hanzo-mcp
+USER mcp
+
+# Health check for MCP server
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD node -e "process.exit(0);" || exit 1
+
+# Use tini for proper signal handling
+ENTRYPOINT ["/sbin/tini", "--"]
+
+# Default command runs the MCP server
+CMD ["node", "dist/index.js"]
+
+# ===== Default to production =====
+FROM production